2. Umashankar, P., M.M.S. Ahuja and I.J. Chopra: Basal Adrenalcortical Function in Normal Healthy Indians: Effect of ACTH Stimulation and Metyrapone Administration as Assessed by Urinary Steroid Excretion. Indian J. Med. Res. 54:238, 1966.

4. Ahuja, M.M.S. and I.J. Chopra: Co-existent Hyperthyroidism and Hyperparathyroidism. Metabolism 17:854, 1968.

5. Ahuja, M.M.S., I.J. Chopra and C.B. Sridhar: Sporadic Cretinism and Juvenile Hypothyroidism. Metabolism 18:488, 1969.

6. Chopra. I.J. and R.T.S. Jim: Adverse Effects of Steroids in Acute Myeloblastic and Monoblastic Leukemia. Acta Hematological 41:106, 1969.

7. Chopra. I.J. and C.A. Hugent:. Concurrence of Pseudohypoparathyroidism,Pseudohypoparathyroidism and Basal Cell Nevus Syndrome. Amer. J. Med. Sci. 260:271,1970.

9. Odell, W.D., D.A. Fisher, S.G. Korenman, D.H. Solomon, I.J. Chopra and R. S. Swerdloff: Symposium on Hyperthyroidism. California Rev. Medicine 113:35, 1970.

11. Beall, G.N., I.J. Chopra and D.H. Solomon: Comparative Effects of Immunization of Rabbits with Human Thyroglobulin and Human and Rabbit Thyroid Microsomal Fractions. Clin. Exp. Immun.8:647, 1971.

12. Van Herle, A. and I.J. Chopra: Graves’ Disease and Thymic Hyperplasia. J. Clin. Endocr. 23:140, 1971.

13. Chopra, I.J., D.H. Solomon, D.E. Johnson and U. Chopra: Thyroid Gland in Graves’ Disease : Victim or Culprit. Metabolism 19:760, 1970.

14. Chopra, I.J., D.H. Solomon: Graves’ Disease with Delayed Hyperthyroidism: Onset after Several Years of Euthyroid Ophthalmopathy, Dermopathy and High Serum LATS Ann. Intern. Med. 73:985, 1970.

16. Solomon, D.H., G.N. Beall and I.J. Chopra: Mobilization of Tissue Thyroxine in Mice by Thyroxine Binding Proteins: Studies with a Double-Isotopic McKenzie Assay. In: Further Advances in Thyroid Research, K. Fellinger and R. Hofer (eds), 1970. p.557.

17. Solomon, D.H., G.N. Beall and I.J. Chopra: Stimulation of Release of Thyroid Iodine by Serum of Thyroid Immunized Rabbits. J. Clin. Endocr. 31:603, 1970.

18. Chopra, I.J., J.C. Nelson , D.H. Solomon and G.N. Beall: Production of Antibodies Specifically Binding Triodothyronine and Thyroxine. J. Clin. Endocr. 32:229 1971.

19. Chopra,. I.J., G.N. Beall and D.H. Solomon: LATS Inhibition by a Soluble Lipoprotein from Human Thyroid. J. Clin. Endocr. 32:772, 1971.

20. Chopra. I.J., D.H.Solomon and G.N. Beall: Radioiumunoassay for Measurement of Triodothyronine in Human Serum. J. Clin. Invest. 50:2033, 1971.

22. Chopra,.I.J., G.E. Abraham, U. Chopra, D.H. Solomon and W.D. Odell: Alterations in Circulating Estradiol 17-B (E₂ ) in Male Patients with Graves’ Disease. New Eng. J. Med. 286:124, 1972.

23. Chopra. I.J., D.H. Solomon and R.S. Ho: Radioiumunoassay of Thyroxine. J. Clin Endocr. 33:865, 1971.

24. Fisher, D.A., I.J. Chopra and J.H. Dussault: Extrathyroidal Conversion of Thyroxine to Triodothyronine in the Sheep.

25. Chopra, I.J.: A Radioimmunoassay for Measurement of Thyroxine in Unextracted Serum. J. Clin. Endocr. 34:938, 1972.

26. Bray, G.A., K.E. Melvin and I.J. Chopra: Triodothyronine and obesity. Amer. J. Clin. Nutrition 26:715, 1973.

27. Chopra, I.J., R.S. Ho and R. Lam: An Improved Radioimmuno-assay of Triodothyronine in Serum. J. Lab. Clin. Med. 80:729, 1972.

28. Greenberg, S. R. and I .J. Chopra: Male Hyperthyroidism - Estrogens as Cause Rather than Effect. New Eng. J. Med. 286:789, 1972.

29. Chopra, I.J., D.H. Solomon and R.S. Ho: Competitive Ligand Binding Assay for Measurement of. Thyronine-Binding Globulin (TBG). J. Clin. Endoor. 35:565, 1972.

30. Solomon, D.H. and I.J. Chopra: Graves’ Disease — 1972. Mayo Clinic Proceedings. 47:803, 1972.

31. Chopra. I.J. and D.H. Solomon: . Triodothyronine in Health and Disease Endocrinology. Proceedings of the IV International Congress, Washington, D.C., Excepta, Medica Foundation (Ed. R.O. Scow, F. J. G. Ebling and I. W. Henderson) International Congress Series, 1972, No. 273, P.1163.

32. Chopra. I.J., D.A. Fisher, D.H. Solomon and G.N. Beall: Thyroxine and Triodothyronine in the Human Thyroid. J. Clin. Endocr. 36:311, 1973.

33. Chopra. I.J., D. Tulchinsky and F. L. Greenway: Estrogen - Androgen Imbalance in Men with Hepatic Cirrhosis. Ann. Intern. Med. 81:68, 1974.

34. Chopra. I.J., D.H. Solomon and G.N. Chua Teco: Thyroxine: Just a Prohormone or a Hormone Too? J. Clin. Endocr. 36:1050, 1973.

35. Chopra, I.J., D.H. Solomon: Hyperthyroidism Induced by Thyrotropin Releasing Hormone (TRH) in Mice. Endocrinology 92:1731, 1973.

37. Beall, G.N I.J. Chopra , D. H. Solomon, J.G. Pierce and J. Cornell: Neutralizing and Non- Neutralizing Antibodies to BTSH and its Subunits. J. Clin. Invest. 53:2779, 1973.

38. Beall, G.N., Inder J. Chopra, D.H. Solomon, J.G. Pierce andJ. Cornell: The Effects on Rabbits of Immunization with bTSH and its Subunits. J. Clin. Invest. 53:2786, 1973.

39. Chopra, I.J., U. Chopra, J. Orgiazzi: Abnormalities of Hypothalamo - Hypophyseal Thyroid Axis in Patients with Graves’ Ophthalmopathy. J. Clin. Endocr. 37:955, 1973.

40. Chopra, I.J., and D. Tulchinsky: Status of Estrogen-Androgen Balance in Men with Graves’ Disease. J. Clin. Endocr. 38:269, 1974.

41. Tulchinsky and I.J. Chopra: Competitive - Ligand Binding Assay of Sex - Hormone Binding Globulin (SHBG). J. Clin. Endocr. 37:873, 1973.

42. Chopra. I.J.: Significance of Triiodothyronine. Calif. Med. 119:62, 1973.

43. Chopra. I.J., U. Chopra, W.P. Vanderlaan, D.H. Solomon: Comparison of Serum. Prolactin and Thyrotropin Responses to Thyrotropin Releasing Hormone in Patients with Graves’Ophthalmopathy. J. Clin. Endocr. 38:683, 1974.

44. Chopra - I.J.: Thyroid Gland Physiology in Health and Disease: Relative Roles of Thyroxine and Triiodothyronine. UCLA Interdepartment Conference, J. Brown (Moderator), Ann. Intern. Med. 81:68, 1974.

45. Tulchinsky, D. and I.J. Chopra Estrogen-Androgen Imbalance in Patients with Hirsutism and Amenorrhoea. J. Clin. Endocr. 39:164, 1974.

46. Chopra. I.J., D.H. Solomon, U. Chopra, R.T. Young, and G.M. Chua Teco: Alterations in Circulating Thyroid Hormones and Thyrotropin in Hepatic Cirrhosis: Evidence for Euthyroidism Despite Subnormal Serum Triiodothyronine. J. Clin. Endocr. 39:501, 1974.

47. Chopra. I.J.: A radioimmunoassay for measurement of 3,3’,5’— Triiodothyronine (Reverse T₃). J. Clin. Invest. 54:583, 1974.

48 . Chopra I.J.,: Circulating Triiodothyronine: Its Importance in Health and Disease. La Vie Medicale au Canada Francais 3:615, 1974.

49. Orgiazzi, J., I.J. Chopra, D.E. Williams, and D.H. Solomon: Competitive Protein Binding Assay of Adenosine 3’,5’-Cyclic Monophosphate Using Thyroid Cytosol. Analyst. Letters 7(8 and 9) :609, 1974.

50. Chopra. I.J., and D.H. Solomon: Role of Long-acting Thyroid Stimulator in Pathogenesis of Hyperthyroidism in Graves’ Disease. Proceedings of V Asia Oceania Congress of Endocrinology, Jan. 31 -Feb. 1, 1974, Chandigarh, India, (ed. G.K. Rastogi) Vol. II, pp.41, Endocrine Society of India.

51. Orgiazzi J., I.J. Chopra, D.E. Williams and D.H. Solomon: Evidence for Normal Thyroidal Adenyl Cyclase, Cyclic AMP-Binding and Protein Kinase Activities In Graves’ Disease. J Clin. Endocr. 40:248, 1975.

52. Chopra. I.J., J.M. Hershman, and R.W. Hornabrook: Serum Thyroid Hormone and Thyrotropin Levels in Subjects from Endemic Goiter Regions of New Guinea. J. Clin. Endocr. 40:326, 1975.

53. Chopa. I.J., and S.R. Smith: Circulating Thyroid Hormones and Thyrotropin in Adult Patients with protein-Calorie Malnutrition. J. Clin. Endocr. 40:221, 1975.

54. Chopra I.J.: Radioimmunassay of Iodothyronines, in Handbook of Radioimmunoassys ( ed. Guy E. Abraham), Marcell Dekker, Inc., New York, USA, p. 679

55. Chopra I.J.: and D.H. Solomon: Thyroid Fuction Tests and Their Alterations by Drugs. Pharmacology and Therapeutics 1:367, 1976

56. Chopra I.J.: D.E. Williams, J. Orgiazzi and D.H. Solomon: Pathogenesis of Graves’ Disease: Evidence Suggesting the Presence of Steroid Suppressible Thyroid Stimulator. In: Proceedings of VIII Pan American Congress of Endocrinology, Buenos Aires, Argentina, Oct. 26 - Nov. 3, 1974.

57. Williams, D.E., I.J. Chopra, J. Orgiazzi, and D.H. Solomon: Acute Effects of Corticosteroids on Thyroid Activity in Graves’ Disease. J. Clin. Endocr. 41:354, 1975.

58. Chopra, I.J.: Gonadal Steroids and Gonadotropins in Hyperthyroidism. Med. Clin. N. Amer. 59:1109, 1975.

59. Chopra. I.J., J. Sack, and D.A. Fisher: Circulating 3,3’,5’- Triiodothyronine (Reverse T₃) in the Human Newborn. J. Clin. Invest. 55:1137, 1975.

60. Chopra. I.J., J. Sack and D.A. Fisher: 3,3’,5’-Triiodothyronine (Reverse T₃) in Fetal and Adult Sheep: Studies of Metabolic Clearance Rate, Production Rate, Serum Binding and Thyroidal Content Relative to Thyroxine. Endocrinology 97:1080, 1975.

61. Chopra. I.J., J. Sack and D.A. Fisher: Reverse T₃ in the Fetus and Newborn. In: Prenatal Thyroid Function and Disease: Newborn Screening for Hypothyroidism (D.A. Fisher and G.N. Burrow, eds.). Raven Press, 1975, pp.33.

62. Krugman, L.G., J.M Hershman, I.J. Chopra, G.A. Levine, and A.E. Pekary: Patterns of Recovery of the Hypothalamic-Pituitary Thyroid Axis in Patients Taken off Thyroid , Therapy. J. Clin. Endocr. 41:70, 1975.

63. Chopra. I.J.: Nature, Sources and Relative Biological Significance of Thyroid Hormones. In: The Thyroid, a. Fundamental and Clinical Text (S.C. Werner and S.H. Ingbar, eds.). Harper and Row Publishers, Inc., New York, N.Y., 1978, p.100.

64. Chopra. I.J., D.E. Williams, J. Orgiazzi and D.H. Solomon: Opposite Effects of Corticosteroids on Serum Concentrations of 3,3’. 5’— Triiodothyronine (Reverse T₃) and 3,3’ , 5-Triiodothyronine (T₃). J. Clin. Endocr. 41:911, 1975.

65. Chopra. I.J., U. Chopra, S.R. Smith, M. Reza and D.H. Solomon: Reciprocal changes in Serum Concentrations of 3,3’,5’— Triiodothyronine (T₃) in Systemic Illnesses. J. Clin. Endocr. 41:1043, 1075.

66. Chopra. I.J., Hyperthyroidism, in Current Therapy, 1976 (Ed. H.F. Conn.) W.B. Saunders Company, Philadelphia, pp.949.

67. Osathanondh, R., D. Tulchinsky and I.J. Chopra: Total and Free Thyroxine and Triiodothyronine in Normal and Complicated Pregnancy. J. Clin. Endocr. 42:98, 1976.

68. Orgiazzi, J., D.E. Williams, I.J. Chopra, and D.H. Solomon: A Study of Human Thyroid Adenyl Cyclase Stimulating Activity in Immunoglobulin G of Patients with Graves’ Disease. J. Clin. Endocr. 42:341, 1976.

69. Chopra I.J., J. Sack and D.A. Fisher: Mechanisms of High Reverse T₃ and Low T₃ in the Fetus, In: Thyroid Research, proceedings of the 7^th International Thyroid Conference, Boston, Mass. (USA), June 9— 13, 1975 (J. Robbins and L. E. Braverman, eds.). American Elsevier Company, New York, 1976, p.278.

70. Orgiazzi, J., D.E. Williams, I.J. Chopra and D.H. Solomon: Human Thyroid Adenyl Cyclase Stimulator in Immunoglobulin G (IgG) of Patients with Graves’ Disease, In: Thyroid Research, proceedings of the 7th International Thyroid Conference, Boston, Mass. (USA), June 9 -13, 1975 (J. Robbins and L.E. Braverman, eds.). American Elsevier Company, New York, 1976. p.407.

71. Chopra. I.J. and B.F. Crandall: Thyroid Hormones and Thyrotropin in Amniotic Fluid. New Eng. J. Med. 293:740, 1975.

72. Chopra. I.J..: Sex Hormones, Alcoholism and Hepatic Cirrhosis. Drug Therapy, 5:144, 1975.

73. Chopra. I.J.: An Assessment of Daily Production and Significance of Thyroidal Secretion of 3,3’ , 5’ —Triiodothyronine (Reverse T₃,) in Man. J. Clin. Invest. 58:32, 1976.

74. Spaulding, S.W., I.J. Chopra, R.S. Sherwin and S.S. Lyall: Effect of Caloric Restriction and Dietary Composition of Serum T₃ and Reverse T₃ in Man. J. Clin. Endocr. 42:197, 1976.

75. Trabulus, J., P.O. Gulsrud and I. J. Chopra: Effects of Diphenylhydantoin on Neurological and Electromyographic Manifestations of Hypocalcemia. Ann. Intern. Med. 84:709, 1976.

76. Van Herle, A.J., I. J. Chopra, J.M. Hershman and R.W. Hornbrook: Serum Thyroglobulin in Inhabitants of an Endemic Goiter Region of New Guinea. J. Clin Endocr. 43:512, 1976.

77. Wu, S.Y., I. J. Chopra Y. Nakamura, D.H. Solomon, and L.R. Bennett: A Radioimmunoassay of 3,3’—L—Diiodothyronine. J. Clin. Endocr. 43:682, 1976.

78. Bray, G.A., D.A. Fisher and I. J. Chopra : Relation of Thyroid Hormone to Body Weight.Lancet. i:1206, 1976.

79. Solomon, D.H., I. J. Chopra U. Chopra and F. Smith: Long-Acting Thyroid Stimulator Protector Assay as a Basis for Identification of Sub—groups of Graves’ Ophthalmopathy. Trans. Assoc. Amer. Phy.. 98:159, 1976.

80 Chopra. I.J.: A study of Extrathyroidal Conversion of Thyroxine (T₃) to 3,5,3’ -Triiodothyronine (T₃) in Vitro. Endocrinology 101:453, 1977.

81. Orgiazzi, J., I.J. Chopra, D.H. Solomon and D.E. Williams: Comparison of the Effect of TSH and Fluoride on the Adenylate Cyclase Activity of Cold Thyroid Nodules. Annals d’Endocrinologie (Paris) 37:107, 1976.

82. Uller, R.P., A.J. Van Herle and I. J. Chopra :Thyroidal Response to Graded Doses of Bovine Thyrotropin. J. Clin. Endocr. 45:312, 1977.

83. Chopra. I.J., S.Y. Wu, Y. Nakamura and D.H. Solomon: Monodeiodination of 3,5,3’— Triiodothyronine (T₃) to 3,3’- Diiodothyronine (T₂) in Vitro. Endocrinology 102 1099, 1978.

84. Chopra. I.J., H.E. Carlson and. D.H. Solomon: Comparison of Inhibiting Effects of 3,5,3’ — Triiodothyronine (T₃), Thyroxine (T₄), 3,3’5’-Triiodothyronine (Reverse T₃). and 3,3’- Diiodothyronine(T₂) on Thyrotropin—Releasing Hormone—Induced Release of Thyrotropin in the Rat in Vitro. Endocrinology 103:393, 1978.

85. Sawin, C.T., J.M. Hershman and I.J. Chopra .: The Comparative Effect of T₄ and T₃ on the TSH Response to TRH in Young Adult Men. J. Clin. Endocr. 44:273, 1977.

86. Chopra I.J.: Thyroid Hormones and Respiratory Distress Syndrome of the Newborn. New Eng. J. Med. 295:335, 1976.

87. Golde, D., N. Bersch, I.J. Chopra and M.J. Cline: Thyroid Hormones Stimulate Erythropoiesis in Vitro. Brit. J. Hematol. 37:173, 1977.

88. Chopra I.J., D.H. Solomon, U. Chopra, E. Yoshihara, P.1. Terasaki and F. Smith: Abnormalities in Thyroid Function in Relatives of Patients with Graves’ Disease and Hashimoto’s Thyroiditis: Evidence for a Lack of Correlation with Inheritance of HLA—B8. J. Clin. Endocr. & Met. 45:45, 1977.

89. Hershman, J.M., I. J. Chopra,, and A.J. Van Herle, D.H. Solomon and D.A. Fisher. Thyroid Disease, In: Endocrine Pathophysiology: A Patient-Oriented Approach, (J.M. Hershman, ed.), Lea and Febiger, 1977, p.39.

90. Chopra I.J.: Recent Advances in Maternal—Fetal Thyroid Physiology, In: Endocrine Update: Recent Advances in Thyroid Physiology, Diagnosis and Therapy. (Selenkow, H.A., J. Jackson, eds.), Ames Company, Division of Miles Laboratories, Inc., 1977, p.20.

91. Fisher, D.A., J.H. Dussault, J. Sack and I.J. Chopra: Ontogenesis of Hypothalamic-Pituitary- Thyroid Function and Metabolism in Man, Sheep and Rat. Recent Prog. Hormone Res. 33:59, 1977.

92. Nakamura, Y., I.J. Chopra and D. H. Solomon: Preparation of High Specific Activity Radioactive lodothyronines and Their Analogues. J. Nucl. Med. 18:1112, 1977.

93. Hollingsworth, D.R., S.L. Davis, LW. I.J. Chopra , R.P. Belin and M.C. Reid: Antenatal Diagnosis of Cretin Lambs by Measurement of Amniotic Fluid Thyrotropin. Proc. Soc. Exper. Biol. Med. 157:106, 1978.

94. Solomon, D.H., I.J. Chopra, U. Chopra and F. Smith: Identification of Subgroups of Euthyroid Graves’ Ophthalmopathy. New Eng. J. Med. 296:181, 1977.

95. Osathanondh, R., I.J. Chopra, D. Tulchinsky and I. Umansky: Amniotic Fluid Reverse Triiodothyronine in Complicated Pregnancy. J.Clin. Endocrinol. Metab. 46:365, 1978.

96. Wu, S.Y., I.J. Chopra, D.H. Solomon and L.R. Bennett: Changes in Circulating Iodothyronines in Euthyroid and Hyperthyroid Patients Given Ipodate, An Agent for Oral Cholecystography. J. Clin. Endocrinol. Metab. 46:691, 1978.

97. Matsui, U., G.N. Beall, I.J. Chopra, and D.H. Solomon: Assays for Antigen-Stimulated Lymphocyte—Derived Migration Enhancement and Inhibition Factors from Patients with Thyroid Diseases and Their Relatives. Acta Endocrinol. (kbh) 86:733, 1977.

98. Nakamura, Y., I.J. Chopra, and D.H. Solomon: An Assessment of the Concentration of Acetic Acid and Propionic Acid Derivatives of 3,3’,5—Triiodothyronine in Human Serum. J. Clin. Endocrinol. 46:91, 1978.

99. Carlson, H.E., E.J. Drenick, I.J. Chopra and J.M. Hershman: Alterations in Basal and TRH- Stimulated Serum Levels of Thyrotropin, Prolactin and Thyroid Hormones in Starved and Obese Men. J. Clin. Endocrinol. 45:707, 1977.

100. Neelakantam, Chandrika, M.K. Chhetri, I.J. Chopra, and M.M.S. Ahuja: Thyroid and Its Disorders. In: Ahuja, M.M.S. (ed.), Progress in Clinical Medicine, Series I, 1976, p.561.

101. Chopra. I.J.: Thyroid Related Abnormalities in Relatives of Patients with Autoimmune Thyroiditis, pp.384-367. In: Autoimmune Thyroid Diseases — Graves’ and Hashimoto’ s (J. Brown, Moderator). Ann. Intern. Med. 88:379—391, 1978.

102. Chopra. I.J.: Sulfhydryl Groups and Outer Ring Monodeiodination of Thyroxine to Triiodothyronine. Science 199:904, 1976.

103. Chopra. I.J.: Recent Developments in Thyroid Physiology. In: Proceedings of the meeting of the Australian Endocrine Society at Thredbo, Feb., 1977, 20:55, 1977.

104. Chopra. I.J, D.H. Solomon, U. Chopra, S.Y. Wu, D.A. Fisher and Y. Nakazura: Pathways of Metabolism of Thyroid Hormones. Recent Progr. Horm. Res. 34:521, 1978.

105. Wu, S.Y., A.H. Klein, I.J. Chopra, and D.A. Fisher: Alterations in Tissue Thyroxine 5’ - Monodeiodinating Activity in Perinatal Period. Endocrinology 103:235, 1978.

106. Smallridge, R.C., L. Wartofsky, I.J. Chopra, P.V. Marinelli, R.O. Broughton, R. C. Dimond and K. D. Burman: Neonatal Thyrotoxicosis: Alterations in serum concentrations LATS—Protector, T_4, T₃, reverse T₃ and 3,3’—T₂. J. Ped. 93:118, 1978.

107. Ginsberg, J., P.G. Walfish, I.J. Chopra Cord Blood Reverse T₃ in Normal, Premature, Euthyroid, Low T₄, and Hypothyroid Newborns. J. Endocrinol. Invest. 1:73, 1978.

108. Chopra. I.J.: Laboratory Diagnosis of Hyperthyroidism. In: Thyroid Today (J.H. Oppenheimer, ed.), 1: #7, p.1—6, 1978.

109. Maciel, R.M.B., Y. Ozawa, I.J. Chopra,: Subcellular Localization of Thyroxine (T₄) and Reverse Triiodothyronine (rT₃) Outer Ring Monodeiodinating Activities. Endocrinology 104:361, 1979.

110a. Medeiros—Neto, G.A., F. Almeida, Y. Kiy, M. Knobel, P.G. Walfish and I.J. Chopra: Reverse Triiodothyronine, Thyroid Hormones and TSH

110. Medeiros-Neto, G.A., F. Almeida, Y. Kiy, M. Knobel, P.G. Walfish and I.J. Chopra: Reverse Triiodothyronine, Thyroid Hormones and TSH in Maternal Serum and in the Cord Blood of Newborns from Endemic Goiter Areas. J. Clin. Endocrinol Metab. 47:508, 1978.

111. Chopra. I.J., F. Geola, D.H. Solomon and R.M.B. Maciel: 3’,5’.— Diiodothyronine in Health and Disease: Studies by a Radioimmunoassay. J Clin. Endocrinol. Metab. 47:1198, 1978.

112. Ozawa, Y., R.M.B. Maciel, I.J. Chopra, D.H. Solomon and G.M. Beall: Relationships Among Immunoglobulin Markers in Graves’ Disease. J. Clin. Endocrinol. Metab. 48:381, 1979.

113. Beall, G.N., I.J. Chopra, D.H. Solomon, W. J. Irvine, S.R. Kruger: Studies of the TSH Radioreceptor Assay. Acta Endocrinol. (Kbh) 90:217, 1979.

114. Osathanondh, R., I.J. Chopra and D. Tulchinsky: Effects of Dexamethasone on Fetal and Maternal Triiodothyronine and Reverse - Triiodothyronine Blood Levels. J. Clin. Endocrinol. Metab. 7:1236,1978.

115. Wu, S.Y., I.J. Chopra, D.H. Solomon and D.E. Johnson: The Effect of Repeated Administration of Ipodate (Oragrafin.) in Hyperthyroidism. J. Clin. Endocrinol. Metab. 47:1358, 1978.

116. Beall, G.N., I.J. Chopra, D.H. Solomon, S.R. Kruger: Serum Protein Inhibition of TSH Binding to Human Thyroid Tissue. J. Clin. Endocrinol. Metab. 47:967, 1978.

117. Geola, F., I.J. Chopra , D.H. Solomon and R.M.B. Maciel: Metabolic Clearance and Production Rates of 3’ , 5’ —Diiodothyronine (3’, 5’- T₂) and 3,3’—Diiodothyronine (3,3’-T₂) in Man. J. Clin. Endocrinol. Metab. 48:297, 1979.

118. Chopra. I.J., D.R. Hollingsworth, S.L. Davis, R.P. Berlin, M.C. Reid: Amniotic Fluid 3,3’-and 3’5’-Diiodothyronine in Fetal Hypothyroidism in Sheep. Endocrinology 1104:596, 1979.

119. Geola, F. and I.J. Chopra : Hypothyroidism and Hyperthyroidism. Resident Physician 25:42, 1979.

120. Ozawa, Y., I.J. Chopra, D.H. Solomon and F. Smith: The role of Sulfhydryl Groups in Thyrotropin Binding and Adenylate Cyclase Activities of Thyroid Plasma Membranes. Endocrinology 105:1221, 1979.

121. Chopra. I.J., D.H. Solomon, G.W. Hepner and A. Morgenstein: Misleadingly Low Free Thyroxine Index and Usefulness of Reverse Triiodothyronine in Nonthyroidal Illnesses. Ann. Intern. Med. 90:905, 1979.

122. Hepner, G.W. and I.J. Chopra,: Serum Thyroid Hormones in Patients with Liver Disease. Arch. Intern. Med. 139:1117, 1979. -

123. Chopra. I.J: Thyroid Function Tests: Thyroxine and Triiodothyronine Measurements. In: Proceedings of a Symposium sponsored by Radioassay Laboratories, (G.E. Abraham, ed.).

124. Davidson, M.B. and I.J. Chopra: Effect of Carbohydrate and Non-Carbohydrate Sources of Calories on Plasma T₃ Concentrations in Man. J. Clin. Endocrinol. Metab. 48:577, 1979.

125. Walfish, P.G., J. Ginsberg, I.J. Chopra Cord Blood Reverse T₃. J. Endocrinol. Invest. 1:385, 1979.

126. Chopra. I.J.: Genetic Aspects of Thyroid Autoimmunity. In Proceedings of Symposium on Hypothyroidism sponsored by Ames Company, Inc., Oct., 1978.

127. Chopra I.J., and D.H. Solomon: Free Thyroid Hormones in Euthyroid Sick: Evidence for a Discrepancy Between Measurements of Free T₄ Index and Free T₄ concentration. In: Free Thyroid Hormones (R. Ekins, G. Faglia, F. Pennisi, and A. Pinchera, eds.). Excerpta Medica Amsterdam, 1979, p.234.

128. Maciel, R. M.B.I.J. Chopra, Y. Ozawa, F. Geola and D.H. Solomon: A Radioimmunoassay for Measurement of 3,5-Diiodothyronine (3,5—T₂). J. chin. Endocrinol. Metab. 49:399, 1979.

129. Chopra. I.J Alterations in Monodeiodination of Iodothyronines in the Fasting Rat: Effects of Reduced Non Protein Sulfhydryl Groups and Hypothyroidism. Metabolism 29:161, 1980.
     

130. Chopra. I.J., G.N. Chua Teco, A.H. Nguyen and D.H. Solomon: In Search of an Inhibitor of Thyroid Hormone Binding to Serum Proteins in Nonthyroid Illnesses. J. Clin. Endocrinol. Metab. 49:63, 1979.

131. Yamada, T., N. Kaplowitz and I.J. Chopra . On the Mechanism of Propylthiouracil (PTU) Inhibition of Thyroxine (T₄) 5’— Monodeiodinase. J. Endocrinol. Invest. 4:379, 1981.

132. Geola, F., I. J. Chopra, and D.L. Geffner: Patterns of Reverse T₃ Monodiodination in Nonthyroidal Illnesses and Hypothyroidism. J. Clin. Endocrinol. Metab. 50:336, 1980
     

133. Chopra, I.J.: Measurement of Serum Thyroid Hormones and Thyroglobulin by Radioimmunossay Techniques. In: Radioimmunology - 1979 ( Ch. A. Bizollon, ed.). Elsevier, North Holland Biomedical Press, Amsterdam, Netherlands, p .61.
     

134. Costa, A., I.J. Chopra, D. H. Solomon and S.Y. Wu: The use of x-ray Contrast media in the Treatment of Hyperthyroidism. J. Endocrinol. Invest. 2:461,1979.
     

135. Chopra, I.J., A. J. Van Herle, G. N. Chua Teco and A.H. Nguyen: Serum Free Thyroxine in Thyroidal and Non-Thyroidal Illnesses: A Comparison of Measurements by Radioimmunoassay, Equilibrium Dialysis and Free Thyroxine Index. J. Clin. Endocrinol. Metab. 51:135, 1980.
     

136. Chopra, I.J., and D.H. Solomon: Thyroid Function Tests and Their Alterations by Drugs. In: The Thyroid : Physiology and Treatment of Diseases ( Hershman, J.M. and Bray, G. A. eds.). Pergamon Press, New York 1979, p. 105.
     

137. Chopra, I.J.: A Radioimmunoassay for measurement of 3’ - Monoiodothyronine ( 3’ - T1). J. Clin. Endocrinol. Metab. 51:117, 1980

138. Chopra, I.J., D.H. Solomon, G.N. Chua Teco A. Nguyen: Inhibition of Hepatic Outer Ring Monodeiodination of Thyroxine (T₄) and. 3,3’, 5’-Triiodothyronine (Reverse T₃) by Sodium Salicylate. Endocrinology 106:1728, 1980.

139. Chopra. I.J. and D.H. Solomon: Activity of Thyroxine and its Deiodinated Derivatives. In: Endocrinology 1980 (l.A. Cumming, J.W. Funder, F.O. Mendelsohn, eds.). Australian Academy of Science, Canberra 1980, p.234.

140. Solomon, DE. and I.J. Chopra: Graves’ Disease: Thyroid Stimulating immunoglobulings and Their Correlation with Thyroid Functional States, In: Endocrinology 1980 (I.A. Cumming, J.W. Funder, F.O. Mendelsohn, eds.). Australian Academy of Science, Canberra 1980, p.138.

141. Chopra. I.J. and D.H. Solomon: Inhibition of Hepatic Outer Ring Monodeiodination of Thyroxine (T₄ ) and 3,3’ ,5’ -Triiodothyronine (Reverse T₃) by Sodium Salicylate. In: Thyroid Research VIII (J.R. Stockigt, S. Nagataki, eds.). Australian Academy of Science, Canberra, 1980, p.416.

142. Solomon, D.H., and I. J. Chopra: Is TSH a LATS - Protector ? Evidence Suggesting Different Sites of Binding of TSH and Thyroid Stimulating Immunoglobulins (TSIS) in Thyroid Tissue. In: Thyroid Research VIII (J.R. Stockigt, S. Nagataki, eds.). Australian Academy of Science, Canberra, 1980, p.717.

143. Chopra. I.J., W.M. Wiersinga and H.J.C. Frank: Alterations in Hepatic Monodeiodination of Iodothyronines in the Diabetic Rat. Life Sciences 28:1765, 1981.

144. Wiersinga, W. M., H.J.L. Frank, I. J. Chopra., and D.H. Solomon: Alterations in Hepatic Nuclear Binding of Triiodothyronine in Experimental Diabetes Mellitus in Rats. Acta Endocrinol (Kbh) 99:79, 1982.

146. Wiersinga, W .M. and I. J. Chopra: Radioimmunoassays of Thyroxine (T₄), 3,5,3’—Triiodothyronine (T₃), 3,3’,5’—Triiodothyronine (Reverse T₃) and 3,3’ -Diiodothyronine (T₂). In: Methbds in Enzymology: Immunochemical Techniques, Vol . B (H. Van Vunakis, J. J. Langone, eds.). Academic Press, Inc., New York, 84:272, 1982.

147. Chopra I.J.: New Insights into Metabolism of Thyroid Hormones: Physiological and Clinical Implications. In: Physiopathology of Endocrine Disease (R.J. Soto, ed.). Alan R. Liss, Inc., New York, 1981, p.67.

148. Wiersinga, W.M., I. J. Chopra , D.H. Solomon: Specific Nuclear Binding Sites for Triiodothyronine and Reverse Triiodothyronine (rT₃) in rat and pork liver: Similarities and Discrepancies. Endocrinology 110:2052, 1982.

149. Chopra I.J.: and G.N. Chua Teco: Characteristics of Inner Ring (3 or 5) monodeiodination of 3, 5—diiodothyronine in rat liver: Evidence Suggesting Marked Similarities of Inner and Outer Ring Deiodinases for Iodothyronines. Endocrinology 110:89, 1982.

150. Chopra I.J.: G.N. Chua Teco, J. B. Eisenberg, W. M. Wiersinga and D.H. Solomon: Structure-Activity Relationships of Inhibition of Hepatic Monodeiodination of Thyroxine (T₄) to 3,5, 3-Triiodothyronifle (T₃) by Thiouracil and Related Compounds. Endocrinology 110:163, 1982.

151. Wu, S.Y., Shyh, T.P. I. J. Chopra, D.H. Solomon, H.U. Huang and P.C. Chu: Comparison of Sodium Ipodate (oragrafin^1.) and Propylthiouracil in early treatment of Hyperthyroidism. J. Clin. Endocrinol. Metab. 54:630, 1982.

152. Chopra. I.J.: Abnormalities in Thyroid Function Tests in Liver Disease. In: The Endocrines and The Liver (M. Langer, L. Chiandussi, I.J. Chopra and L. Martini, eds.). Academic Press, New York, 1982, p.185.

153. Chopra. I.J: Thyroid Hormone Metabolism in Chronic Liver Disease. In: The Endocrines and The Liver (M. Langer, L. Chiandussi, I.J. Chopra and L. Martini, eds.). Academic Press, New York, 1982, p.207.

154. Chopra. I.J., D.H. Solomon, G.M. Chua Teco, J.B. Eisenberg: An Inhibitor of Thyroid Hormone Binding by Serum Proteins is Present in Extrathyroidal Tissues. Science (Washington) 215:407,1982.

155. Chopra I.J.: Euthyroid Sick Syndrome: Abnormalities in Circulating Thyroid Hormones Physiology in Nonthyroid Illnesses. Medical Grand Rounds 1:201, 1982.

156 . Chopra. I.J.: Utility of Iodothyronine Measurements in the Diagnosis of Thyroid Disease. Thyroid University Case-Reports (J. F. Wilber, ed.). Park-Davis, Div. of Warner Lambert, Morris Plains, 4: #1, p.1—4, 1982.

157. Chopra. I.J.: Nature, Sources and Relative Biological Significance of Iodothyronines. In: The Thyroid, a Fundamental and Clinical Text (S.H. Ingbar and L.E. Braverman, eds.). Harper and Row Publishers, Inc., New York, 1978, Fourth edition, p.100.

158. Chopra. I.J., J.M Hersbman, W.P. Pardridge, J.T. Nicoloff: Thyroid Function in Nonthyroid Illnesses. Ann. Intern. Med. 98:946, 1983.

159. Chopra. I.J Free Thyroid Hormones in Nonthyroid Illnesses. In: Free Hormones in Blood (A. Albertini and R. P. Ekins, eds.). Elsevier Biomedical Press, New York, 1982, p.239.

160. Chopra. I.J., and D.H. Solomon: Pathogenesis of Hyperthyroidism. Ann. Rev. Med. 34:267, 1983.

161. Chopra. I.J Thyroid Hormone Metabolism in Nonthyroid Illnesses. In: Endocrinology (K. Shizume, H. Imura, N. Shimizu, eds.). Excepta Medica, Amsterdam, 1983, p.176.
     

162. Soler, N.G., J. Wortsman, I.J. Chopra: Lipoatrophic Diabetes: Endocrine Dysfunction and the Response to Control of Hypertriglyceridemia. Metabolism 31:19, 1982.

163. Chopra. I.J : Challenges in the Diagnosis of Hyperthyroidism. Drug Therapy 13:70, 1983.

164. Huang, T.S., R.E. Hurd, I.J. Chopra, D.H. Solomon, P. Stevens, L.S. Young: Inhibition of Phagocytosis and Chemiluminescence in Human Leucocytes by a Lipid Soluble Factor. Infection and Immunity 46:544, 1984.

165. Chopra. I.J., T.S. Huang, R.E. Hurd, D.H. Solomon: Effect of T3 - Induced Hyperthyroidism on Iodothyronine Metabolism in the Rat: Evidence for Tissue Differences in Metabolic Responses. Endocrinology 114:14-54, 1984

166. Chopra. I.J., T.S. Huang, R.E. Hurd, D.H. Solomon: A Radioimmunoassay of 3, 5-Dimethyl, 3’ -Isopropyl-thyronine (DIMIT). Endocrinology 114:1254, 1984.

167. Chopra. I.J., T.S. Huang, R.E. Hurd and D.H. Solomon: Thyromimetic Effects of 3,5—Dimethyl, 3’-Isopropyl thyronine (DIMIT) and 3,5- Diethyl, 3’-Isopropyl Thyronine (DIET) in Various Tissues of the Rat. Metabolism 33:622, 1984.

168. Chopra. I.J.-T.S. Huang, R.E. Hurd, A.Beredo and D.H. Solomon: A Competitive-Ligand Binding Assay for Measurement of Thyroid Hormone Binding Inhibitor (THBI) in Serum and Tissues. J. Clin. Endocrinol. Metab. 56:619, 1984.

169. Chopra. I.J., T.S. Huang, R.E. Hurd and D.H. Solomon: A Study of Cardiac Effects of Thyroid Hormones: Evidence for Amelioration of Cardiac- Effects of Thyroxine by Sodium Ipodate. Endocrinology 114:2039, 1984.

170. Kannan, R., M. Ookhtens, I.J. Chopra, B. N. Singh: Effects of Chronic Administration of Amiodarone on Kinetics of Metabolism of Iodothyronines. Endocrinology 115:1710, 1984.

171. Huang, T.S., A. Beredo, I.J. Chopra , D.H. Solomon, G.N. Chua Teco: The Inner Ring (5—)Monodeiodination of Thyroxine (T₄) to 3, 3’ ,5’- Triiodothyronine (Reverse T₃) in Cerebral Cortex. Metabolism 35:272, 1986.

172. Chopra I. J, T.S. Huang, A. Beredo, D.H. Solomon, G.N. Chua Teco: Evidence for an Inhibitor of Extrathyroidal Conversion of Thyroxine - to 3,5,3’—Triiodothyronine in Sera of Patients with Nonthyroid Illnesses. J. Clin. Endocrinol. Metab. 60:666, 1985.

173. Chopra I. J, G.N. Chua Teco, J.F. Mead, T.S. Huang, A. Beredo, D.H. Solomon: Relationship Between Serum Free Fatty Acids and Thyroid Hormone Binding Inhibitor in Nonthyroid Illnesses. J. Clin. Endocrinol. Metab. 60:980, 1985.

174. Huang, T.S., I.J. Chopra, A. Beredo, D.H. Solomon, G.N. Chua Teco: Skin is an Active Site for the Inner Ring Monodelodination of Thyroxine to 3, 3’,5’ -Triiodothyronine (Reverse T₃). Endocrinology 117:2106, 1985.

175. Beall, G.N., B. Rapoport, I.J. Chopra S.R. Kruger: Rabbit. Immunized with TSH Produce Autoantiidiotypic Thyroid— Stimulating Antibodies. J. Clin. Invest. 75:1435, 1985.

176. Beall, G.N., B. Rapoport, I.J. Chopra, S.R. Kruger: Rabbits Immunized with TSH Produce Thyroid-Stimulating Antibodies In: Autoimmunity and the Thyroid. Academic Press, 1985, p.377.

177. Chopra. I.J., T.S. Huang, D.R. Solomon, G.N. Chua Teco: Alterations in Thyroid Function Parameters Following Administration of Fatty Acids. In: Medeiros-Neto, G. and Gaitan, E. (eds.). Frontiers in Thyroidology, Plenum Medical Book Co., New York, 1:543, 1986.

178. Wortsman, J., B.N. Premchandra, I.J. Chopra, J.E. Murphy: Low Thyroid Hormone Levels in Cardiac Arrest. Arch. Intern. Med. 147:24S,. 1987.

179. Beall, G.N., B. Rapoport, I.J. Chopra, S.R. Kruger: Further Studies of the Production by Rabbits of Thyroid Stimulating Anti-Idiotopic Antibodies to Anti—TSH. In: Medeiros-Neto, G. and Gaitan, E. (eds.). Frontiers in Thyroidology, Plenum Medical Book Company, New York, 2:1451, 1986.

180. Shen, D.C., S.Y. Wu, I.J. Chopra, H.W. Huang, L.R. Bhian, C.Y. Jeng, D.H. Solomon: Long Term Treatment of Graves’ Hyperthyroidism with Sodium Ipodate. J. Clin. Endocrinol. Metab. 61:723, 1985.

181. Chopra I. J. , S.Y. Wu, D.H. Solomon: Treatment of Hyperthyroidism by Agents that Inhibit Peripheral Conversion of Thyroxine (T₄) to 3,5,3’—Triiodothyronine (T₃). Proceedings of an International Symposium. In: Thyroid Function and Dysfunction (A. Carpi, ed.). ETS Editrice Publishers, Pisa, Italy, 1987.

182. Chopra I. J., Thyroid Function in Nonthyroid Illnesses. In: Thyroid Function and Dysfunction, Proceedings of an International - Symposium (A. Carpi, ed.). ETS Editrice Publishers, Pisa, Italy, 1987.

183. Beall, G.N., B. Rapoport, I. J. Chopra, S.R. Kruger: Studies on Auto-anti—idiotypic Thyroid—stimulating Antibodies. Int. Arch. All. Appl. Immunol. 81:351, 1986.

184. Chopra I.J. T.S. Huang, A. Beredo, D.H. Solomon, G.N. Chua Teco: The Role of the Circulating Thyroid Hormone Binding Inhibitor in Free Thyroid Hormone Changes in Nonthyroidal Illnesses. NUC-Compact (Compact News in Nuclear Medicine), 6:328, 1985.

185. Chopra, I. J.: Nature, Sources and Relative Biological Significance of Circulation Thyroid Hormones. In: The Thyroid (S.H. Ingbar and L. E. Braverman, eds. ). J. B. Lippincott Company, Philadelphia, PA, fifth ed., 1986, p.136.

186. Chopra, I. J, and D.H. Solomon: Latent Graves’ Disease. In: The Thyroid (Ingbar S.H., L.E. Braverman, eds.). J.B. Lippincott Company, Philadelphia, PA, 1986, p.1038.

187. Chopra. I.J., T.S. Huang, D.H. Solomon, G. Chaudhary, G.N. Chua Teco: The Role of Thyroxine (T₄)-Binding Serum. Proteins in Oleic Acid-Induced Increase in Free T₄ in Nonthyroidal Illnesses. J. Clin. Endocrinol. Metab. 63:776, 1986.

188. Wu, S.Y., R. Reggio, W. Florsheim, I. J. Chopra, and D.H. Solomon: Stimulation of Thyroidal Iodothyronine 5’-monodeiodinase by Long Acting Thyroid Stimulator (LATS). Acta Endocrinol.114 :193.

189. Huang, T.S., I.J. Chopra, R. Boado, T.C. Wit, D.P. Tashkin, D.H. Solomon, G. N. Chua Teco: Alterations in Thyroidal Economy in a Systemic Illness Induced by Turpentine Oil Injection to the Rat. Acta Endocrinol. (Kbh) 117:51, 1988.

190. Chopra. I.J., T.S. Huang, R. Boado, D.H. Solomon, G.N. Chua Teco: Evidence Against Benefit From Replacement Doses of Thyroid Hormones in Monthyroidal Illnesses: Studies Using Turpentine oil-Injected Rat. J. Endocrinol. Invest. 10:559, 1987.

191. Huang, T.S., R. J. Boado, I.J. Chopra, D.H. Solomon, G.N. Chua Teco: The Effect of Free Radicals on Hepatic 5’ -Monodeiodination of Thyroxine and 3,3’,5’ —Triiodothyronine (Reverse T₃). Endocrinology 121:498, 1987.

192. Boado, R., I.J. Chopra, T.S. Huang, W.W. Chin, F.O. Wettstein: A Study of Pituitary Thyrotropin, its Subunits and Messenger Ribonucleic Acids in Nonthyroidal Illness. Metabolism 37:395, 1988.

193. Huang, T.S., I.J. Chopra, R. Boado, D.H. Solomon, G.N. Chua Teco: T₄ Inner Ring Monodeiodinating Activity in Fetal Tissues of the Rat,. Pediat. Res. 23:196, 1988.

194. Chopra I. J., T.S. Huang, A. Beredo, D.H. Solomon, G.N. Chua Teco: Serum Thyroid Hormone Binding Inhibitor in Nonthyroid Illnesses. Metabolism 35:152,. 1986.

195. Larsen P.R., N.M. Alexander, I.J. Chopra ,I.D. Hay, J.M. Hershman, M.M. Kaplan, C.N. Mariash, J.T. Nicoloff, J.H. Oppenheimer, D.H. Solomon, M.I. Surks: Revised Nomenclature for Tests of Thyroid Hormones and ,Thyroid-Related Proteins in Serum. J. Clin. Endocrinol. !4etab. 64:1064, 1987.

196. Chopra - I.J.: Alterations in Thyroid Physiology in Liver Disease, In " Liver and Hormones" (A. Francavilla, C. Panella, A. Dileo, D.H. Van Thiel, eds.). Raven Press 1987, pp.157

197. Wiersinga, W.M., I.J. Chopra, G.N. Chua Teco: - Evidence for an Inhibitor of Nuclear T₃ Receptor Binding in Sera of Patients with Nonthyroidal Illness. Metabolism 37:996, 1988.

198. Klandorf, H., G.N. Chua Teco, I.J. Chopra: Effect of Fatty Acid Administration on Plasma Thyroid Hormones in the Domestic Chicken. Gen. Comp. Endocr. 70:395, 1988.

199. Venkatesh, N., W.G. Kuhie, I.J. Chopra, G.K. Feld, B.N. Singh: Electrophysiologic Mechanisms Influencing the Fibrillatory Properties of the Ventricular Myocardium in Altered Thyroid States (Submitted).

200. Chopra I. J., R.J. Boado, D.L. Geffner, D.H. Solomon: A Radioimmunoassay for Measurement of Thyronine and its Acetic Acid Analog in Urine. J. Clin. Endocrinol. Metab. 67:480, 1988.

201. Boado, R.J., I.J. Chopra, I. Flink: Enzyme Binding Inhibiting Assay for Iodothyronine 5’—monodeiodinase (5’—M.D.) and Its Application to Isolation of cDNA Clones for the 5’-M.D. in Rat Liver. Endocrinology 123:1264, 1988.

202. Kannan, R., R. Kato, R. Takikawa, T.S. Huang, I.J. Chopra and B.N. Singh: Lack of Effect of 3,3’,5’-Triiodothyronine (Reverse T₃) on Cardiac Function in the Rabbit. Endocrine Res. 14:227, 1988.

203. Boado, R.J., D.A. Campbell, I.J. Chopra: Nucleotide Sequence of Rat Liver Iodothyronine 5’—Monodeiodinase (5’—MD): Its Identity with the - Protein Disulfide Isomerase. Biochem. Biophys. Res. Commun. 155:1297, 1988.

204. Boado, R.J., I.J. Chopra: A Study of Hepatic Low Km Iodothyronine. 5’—Monodeiodinase (5’ — MD). Endocrinology 124:2245, 1989.

205. Chopra. I.J.: Hypothyroidism, In Conn’s Current Therapy (R.E. Rakel, ed.). 1989,. p. 581.

206. Chopra. I.J., D.H. Solomon, T.S. Huang: Serum TSH in Hospitalized Psychiatric Patients: Evidence of Hyperthyrotropinemia as Measured by an Ultrasensitive TSH Assay. Metabolism 39:538, 1990.

207. Kannan, R., I.J. Chopra, M. Ookhtens, B.N. Singh: Effect of Amiodarone on Nondeiodinative Pathway of Thyroid Hormone Metabolism. Acta Endocrinol. 122:249, 1990.

208. Chopra. I.J.: A Study of Nucleotide and Amino Acid Sequence of lodothyronine 5’—Monodeiodinase in the Rat Liver. In: Environment, Genetics and Thyroid Disorders (M.G. Karmarkar, C.S. Pandav, M.M.S. Ahuja, eds.), Thyroid Association of India, All-India Institute of Medical Sciences, New Delhi, 1990, pp. 1—6.

209. Surks, M.I., I.J. Chopra, C.N. Mariash, J.T. Nicoloff, D.H. Solomon: Guidelines for Use of Laboratory Tests in Thyroid Disorders. J. Amer. Med. Assoc. 263:1529, 1990.

210. Huang, T.S., H.P. Wu, L.S. Huang, M.Y. Lai, S.W. Ho, I.J. Chopra: A Study of Thyroidal Response to Thyrotropin (TSH) in Decompensated Liver Cirrhosis. Thyroidology 1:119, 1989.

211. Huang, T.S., Y.C. Chang, S.H. Lee, F.W. Chen, I.J. Chopra : Evoked Potential Abnormalities in Thyroid Disease. Thyroidology 1:137, 1989.

212 . Chopra. I.J.: Mechanism of Low Serum Thyroid Hormone in Nonthyroidal Illnesses. In: Thyroid Hormone Metabolism: Regulation and Clinical Implications, Contemporary Endocrine series (Hershman, J.M. ed.). Blackcwell Scientific Publications, Cambridge, MA, 1991, pp. 195—210.

213 . Chopra I. J.: New Insights into Thyroid Hormone Monodeiodination. In: Thyroid Hormone Metabolism: Regulation and Clinical Implications, Contemporary Endocrine series (Wu, S .Y., ed.).Blackwell Scientific Publications, Cambridge, MA, 1991, pp.41—54.

214. Shen, D.C., S.Y. Wu, I.J. Chopra L.R. Shian, D.H. Solomon: Further Studies on the Long Term Treatment of Graves’ Hyperthyroidism with Ipodate: Assessment of a Minimal Effective Dose. Thyroid 1:143, 1991.

215. Levine, S., R. Noth, A Loo, I.J. Chopra, G.G. Klee: Anomalous Serum Thyroxine Measurements with the Abbott TDX Procedure. Clin. Chem. 36:1838, 1990.

216. Wu, S.Y., J.K. Kim, I.J. Chopra, Y. Murata, D.A. Fisher: Postnatal Changes of the Two Pathways for Thyroxine 5’ -Monodeiodination in Brown Adipose Tissue in the Lamb. Amer. J. Physiol. 261:E257, 1991.

217. Sakane, S., I.J. Chopra: Isolation of a Hepatic lodothyronine 5’-Monodeiodinase (5’-MD) by Non-denaturing Agarose Gel Electrophoresis. Endocrinology 127:2709, 1990.

218. Chopra. I.J., S. Sakane, G.N. Chua Teco: A Study of Serum Concentration of Tumor Necrosis Factor Alpha (TNFa) in Thyroidal and Nonthyroidal Illnesses. J. Chin. Endocrinol. Metab. 72:1113, 1991.

219. Chopra. I.J.: Nature, Sources and Relative Biologic Significance of Circulating Thyroid Hormones In: The Thyroid, A Fundamental and Clinical Text (L.E. Braverman,, R.D. Utiger, eds.), sixth edition. J.P. Lippincott Company, New York, 1991, pp. 126—143.

220. Wu, S.Y., D.A. Fisher, D.H Polk, I.J. Chopra: Maturation of Thyroid Hormone Metabolism. In: Thyroid Hormone Metabolism Regulation and Clincial Implications (S.Y. Wu, ed.), Blackwell Scientific Publications, Cambridge, MA, 1991, pp. 293— 320.

221. Jacobs,E.J., M.J. Clare-Salzler, I.J. Chopra, R. A. Figlin: Thyroid Function Abnormalities with the Chronic Outpatient administration of Recombinant Interleukin-2 and Recombinant I nterferon-Alpha. J. Immunotherap. 10:4 48, 1991.

222. Chopra. I.J., S.Y. Wu, F. Santini, G.N. Chua Teco: A Radioimmunoassay for Measurement -3, 5,3’ —Triiodothyronine Sulfate (T₃5): Studies in Thyroidal and Nonthyroidal Diseases, Pregnancy and

223. Santini, F., I.J. Chopra, D.H. Solomon, S.Y. Wu, G.N. Chua Teco: Metabolism of 3,5,3’-Triiodothyronine (T₃) and 3,5,3’— Triiodothyronine Sulfate (T₃S) by Tissues of the Fetal Rat: A Consideration of the Role of T₃S as a Source of T₃ . Pediatr.Res. 31:541, 1992.

224. Santini, F., I.J. Chopra, D.H. Solomon, G.N. Chua Teco: Evidence That the Iodothyronine 5—Monodeiodinase in the Human P1acenta Is a Phospholipid-Requiring Enzyme. J. Clin. Endocrino1. Metab. 74:1366, 1992

225. Chopra. I.J.: The Story of Iodine Deficiency — An International Challenge in Nutrition. Academic Medicine 66:328, 1991

226. Wu, S.Y., J.K. Kim, D.T. Tjioe, I.J. Chopra: Analysis of Nuclear 3,3’ -5—Triiodothyronine Receptor in the Brown Adipose Tissue (BAT) of the -Postnatal Lamb. Horm. Metab. Res. 24:416, 1992.

227. F. Santini, I.J. Chopra, D.H. Solomon, G.N. Chua Teco: A Study of the Characteristics of the Rat Placental Iodothyronine 5-Monodeiodinase (5-MD): Evidence That It Is Distinct from the Rat Iodothyronine 5’ -Monodeiodinase (5’ -MD). Endocrinology 130:2325, 1992.

228. Chopra I.J.: Fetal and Neonatal Hyperthyroidism. Thyroid 2:161, 1992..

229. F. Santini, I.J. Chopra, D.H. Solomon, R.E. Hurd, G.N. Chua Teco: A Study of the Characteristics of Hepatic lodothyronine 5’ -Monodeiodinase (5’-MD) in Various Vertebrate Species. Endocrinology 131:830, 1992.

230. Chopra. I.J., F. Santini, R.E. Hurd, G.N. Chua Teco: A Radioimmunoassay for Measurement of Thyroxine Sulfate. J. Clin Endocrinol Metab 76:145, 1993.

231. F. Santini and I.J. Chopra: A Radioimmunoassay of Rat Type I Iodothyronine 5’-Monodeiodinase (5’ -MD). Endocrinology 131:2521, 1992.

232. F. Santini, D. Cortelazzi, A.M. Baggiani, A.M. Marconi, P. Beck Peccoz, I.J. Chopra: A Study of Serum T₃S Concentration in Normal and Hypothyroid Fetuses at Various Gestational Stages. J. Clin. Endocrinol. Metab. 76:1583,1993.

233. Sakane, S., I.J. Chopra, Takamatsu, J. and N. Osawa: Biochemical Studies of the Relationship Between Iodothyronine 5’-Monodeiodinase and Protein Disuiphide Isomerase in Rat Liver. Endocrinol Japan 39:461, 1992.

234. Santini F., R.E. Hurd, and I.J. Chopra: A Study of Metabolism of Deaminated and Sulfoconjugated Iodothyronines by Rat Placental lodothyronine 5—Monodeioindase. Endocrinology 131:1689, 1992.

235. Santini, F., R.E. Hurd, B. Lee and I.J. Chopra: Thyromemetic Effects of 3,5,3’-Triiodothyronlne Sulfate (T₃S) in Hypothyroid Rat. Endocrinology 133:195, 1993.

236. Hurd, R.E. and I.J. Chopra: Reverse T₃. The Endocrinologist 3:,1993.

237. Wu, S.Y. W.S. Huang, D. Polk, W.L. Chen, A. Reviczky, J. Williams III, I.J. Chopra and D.A. Fisher:The Development of a Radioimmunoassay for Reverse Triiodothyronine Sulfate in Human Serum and Amniotic Fluid. J. Clin. Endocrinol. Metab 76:1625, 1993.

238. Santini, F., R.E. Hurd, B. Lee and I.J. Chopra: Sex Related Differences in lodothyronine Metabolism in the Rat: Evidence for Differential Regulation Among Various Tissues. Metabolism 43: 793, 1994.

239. Hurd, R.E., F. Santini, B. Lee, P. Naim, and I.J. Chopra: A Study of the 3,5,3’—Triiodothyronine (T₃ ) Sulfation Activity in the Adult and the Fetal Rat. Endocrinology 133: 1951, 1993.

240. Chopra. I.J., F. Santini, S.Y. Wu, R.E. Hurd: The Role of Sulfation and Desulfation in Thyroid Hormone Metabolism. In: Thyroid Hormone Metabolism: Molecular Biology and Alternate Pathways (S. Y Wu and T. Visser, ads.), CRC: Press Inc., Florida, 1994: 119

241. Huang, T.S., F.J. Lu, I.J. Chopra, Inhibition of Hepatic Thyroxine 5’ —Monodeiodinase by Humic Acids. Environmental Toxicology and Chemistry 12:1267, 1993.

242. Chopra, I.J.,: update on Management of Differentiated Thyroid Carcinoma. Thyroidology. Clinical and Experimental. 4: 57, 1993

243. Pekary, A.E., L. Berg, F. Santini, I.J. Chopra, J.M. Hershman: Cytokines Modulate Type I Iodothyronine Deiodinase mRNA Levels and Enzyme Activity in FRTL — 5 Rat Thyroid Cells. Molecular and Cellular Endocrinology 101: R31, 1994.

244. Huang, T.S., F.J. Lu, Chopra, I.J., Effect of Humic Acids on Thyroidal Function. J. Endocrinol. Invest. 17:787, 1994

245. Wu, S.Y., W.S. Huang, I.J. Chopra, H. Jordan, D. Alvarez, F. Santini, Sulfation Pathway of Thyroid Hormone Metabolism in Selenium Deficient Male Rats. Amer. J. Physiol: Endocrinol. and Metab. 268: E579, 1995.

246. F. Santini, Chiovato, L., Lapi, P., Lupetti, H., Dolfi, A., Bianchi, F., Bernardini, N. Bendinelli, G., Mammoli,. C., Vitti, P., Chopra, I.J., Pinchera, A.: The Location and The Regulation of the Type I,— Iodothyronine 5,- Monodeiodinase (Type I - MD) in the Rat Thyroid: Studies Using a Specific anti-Type I - MD Antibody. Mol Cellular Endocrinol. 110: 195, 1995.

247. Azarnivar, A., Chopra, I .J.: Tension Pneumocephalus After Transsphenoidal Resection of a Thyrotropin (TSH) Secreting Pituitary Adenoma. Endocrinologist. 7: 308, 1995.

248. Chopra, I.J., A.J. Van Herle, S.G. Korenman, S. Viosca, S. Younai,: Use of Sodium Ipodate in Management of Hyperthyroidism in Subacute Thyroiditis J. Clin. Endocrinol. Metab. 80: 2178, 1995.

249. Santini, F.,Chiovato, L, Bartalena L., Lapi, P., Palla, R., Panichi, V.,Velluzi, F., Grasso, L., Chopra, I.J., Martino, E. , Pinchera A.: SerumT₃ sulfate (T₃S) concentration in nonthyroidal illness (NTI) .Eur. J. Endocrinol.134: 45, 1996.

250. Chopra, I.J.: Nature, Sources and Relative Biologic Significance of circulating Thyroid Hormones. In Werner and Ingbar’s (Braverman, L.E. and Utiger, R.D., eds.), The Thyroid Seventh Edition, J.B. Lippincott and Company, Philadelphia, 1995 Pags.- 111-124

251. Chopra. I.J.: Nonthyroidal Illness Syndrome (NTIS) or Euthyroid Sick Syndrome (ESS). Endocrine Practice 2:45, 1996.

252. Pierce, C.A., Baines, D., Chopra, I.J., King, H.P., Mossman, K.L., Setlow L.W.: Trust and Medical Research in Cold War Alaska, Report of the Committee of the National Reseach Council, Institute of Medicine, Polar Research Board and National Academy of Sciences to the U.S. Congress on "Evaluation of 1950’s Air Force Human Health Testing in Alaska using radioactive iodine ¹³¹. The Arctic Aeromedical laboratory’s Thyroid Function Study, National Academy Press, Washington D.C. 1996, 103 pages.

253. Bailey, J.F., Chopra, I.J., Lewin, K.J., Van Herle, A.J.: Pituitary Mass as a Manifestation of Metastatic Thyroid carcinoma. Thyroidology, Clinical and Experimental. 7:23, 1995.

254. Bayot, M., Chopra, I.J.: Coexistence of Struma Ovarii and Graves’ Disease. Thyroid 5:469, 1995.

255. Chopra, I.J., Taing, P., Mikus, L.: Direct Determination of Free Triiodothyronine (T3) in Undiluted Serum by Equilibrium Dialysis/Radioimmunoassay (RIA). Thyroid, 6:255, 1996.

256. Chopra, I.J., Nguyen, D.: Demonstration of Thyromimetic Effects of 3, 5, 3’-Trioodothyronine Sulfate (T3S) in Euthyroid Rats. Thyroid, 6:229, 1996.

257. Pekary, E.G., Chopra, I.J., Berg, L., Hershman, J.M.: Sphingomyelinase and Phospholipase A2 Regulate Type I lodothyronine Deiodinase Expression in FRTL-5 Cells. Thyroid, 7:647, 1997.

258. Santini, F., Chiovato, L., Lapi, P., Mammoli, C., Scartabelli, G., Chopra, I.J., Pinchera, A.:Iodothyronine Monodeidinases and Thyroid Hormone Metabolism in the Fetus. In Thyroid and Trace Elements, 6th Thyroid Symposium, May 8-11, 1996, p. 40-46.

259. Iervasi, G., Clerico, A. Bonini, R., Manfredi, C., Berti, S., Ravani, M., Palmeri, C., Carpi, A., Biagini, A., Chopra, I.J.: Acute Effects of Amiodarone Administration on Thyroid Function in Patients with Cardiac Arrhythmia. J. Clin. Endocrinol. Metab., 82:275, 1997.

260. Hamilton, M.A., Stevenson, L.W., Fonarow, G.C., Steimle, A., Goldhaber, J.I., Child, J.S., Chopra, I.J., Moriguchi, J.K., Haige, A.: Safety and Hemodynamic Intravenous Triiodothyronine Advanced Heart Failure: A Preliminary Safety and Hemodynamic Study. Amer. J. Cardiol, 81:442, 1998.

261. Reinhardt, W., Misch, C., Jockenhovel, F., Wu, S.Y., Chopra, I.J., Philipp, T.H., Reinwein, D., Zigler. F.W., Mann, K.: Triiodothyronine (T3) Reflects Renal Graft Function After Renal Transplantation. Clinical Endocrinology, 46:563, 1997.

262. Chopra, I.J.: Euthyroid Sick Syndrome: Is It A Misnomer? J. Clin. Endocrinol. Metab., 82:329, 1997.

263. Chopra, I.J.: New Insights Into the Diagnosis and Management of Medullary Carcinoma of Thyroid. Thyroidology, 8:71, 1996.

264. Chopra, I.J.: Hypothyroidism. In Conn’s Current Therapy, 50th Anniversary Edition, (R.E. Rakel ed.), p. 644, 1998.

265. Iervasi, G., Clerico, A., Manfredi, C., Sabatino, L., Biagini, L., Chopra, I.J.: Acute Effect of Intravenous Amiodarone Administration on Sulfate Metabolites of Thyroid Hormones in Arrhythmic Patients. Clin. Endocrinol., 47:699, 1997.

266. Santini, F., Chiovato, L., Ghirii, P., Lafi, P., Mammoli, C., Montanelli, L., Scartabelhi, G., Ceccarmni, G., Chopra, I.J., Pinchera, A.: Serum lodothyronines in the Human Fetus and the Newborn: Evidence for An Important Role of Placenta in Thyroid Hormone Homeostasis. J. Clin. Endocrinol. Metab. 84:493, 1999

267. Chopra, I.J.,: Simultaneous Measurement of Free Thyroxine (T4) and Free 3,5,3’-Triiodothyronine (T3) in Undiluted Serum by Direct Equilibrium Dialysis/Radioimmunoassay: Evidence that Free T3and Free T4 are Normal in many Patients with the Low T3 Syndrome. Thyroid 8:249, 1998

268. Chopra,I.J.: Controversies in the Management of Differentiated Thyroid Carcinoma. Thyroidology. 11:1, 1999.

269. Sabatino, L., Chopra, I.J.,: Thyroid Hormone Formation, Secretion, Transport, Metabolism and Action in Thyroid Diseases (M.I. Surks, ed), Atlas of Clinical Endocrinology (S.G. Korenman, series editor), Current Medicine 1:1, 1999.

270. Chopra, I.J., Sabatino, L.: Nature and Sources of Circulating Thyroid Hormones. In (Braverman, L.E., Utiger, R.D., eds.) , Werner and Ingles The Thyroid, A Fundamental and Clinical Text. 2000, Eight edition, Lippincott, Williams & Wilkins, pp. 121-135.
271. Sabatino L., Iervasi G., Ferrazi P., Francesconi D., Chopra I J, A study of Iodothyronine 5’Monodeiodinase Activities in Normal and Pathological Tissues in Man and Their Comparison with Activities in Rat Tissues. Life Sciences (Endocrinology Section) (In Press)

272. Tran TT, Chopra IJ. Hypothyroidism in (Pregler, J. ed) Issues in Women’s Health (In Press)

273. Malamed M, Chopra IJ., Hyperthyroidism (Pregler,J. ed) Issues in Women’s Health (In Press)

274. Santini F., Ceccerini G., Chiovato L., Castagna M., Montanetti L., Mammoli, C., Rosellini V., Giuliavetti B., Zuch V., Chopra IJ, Pinchere A., Mapping of Type III Iodothyronine Deiodinase in Different Regions of Human Brain. J.Clin Endocrinol. Metab (Submitted)
275. Sabatino, L., Chopra IJ, Iervasi, G., Tanavoli S., A Radioimunnoassay of human Type I Iodothyronine 5’ – Monodeiodinase. J Clin Endocrinol Metab (Submitted).

1. Chopra, I.J., M.M.S. Ahuja and P. Umashankar: Pituitary Adrenal in Young Diabetics—Endocrine Workshop Meeting, Indian Council of Medical Research, November, 1965.
2. Chopra, I.J., D.H. Solomon, D.E. Johnson and U. Chopra: Lack of correlation between Thyroidal Nonsuppressibility and Serum LATS Levels in Patients with Graves’ Disease. Program of American Thyroid Association Meeting, November, 1969, p.30.
3. Van Herle, A. and I.J. Chopra: Graves’ Disease and Thymic Hyperplasia. Program American Thyroid Association Meeting, November, 1969, 1970.
4. Chopra, I.J., D.H. Solomon and N.P. Limberg: Specificity of Bioassay of LATS. Clin. Res. 18:120, 1970.
5. Florsheim, W.H., D.H. Solomon, I.J. Chopra and G.N. Beall: Thyroid and Extrathyroid Responses to Serum from Thyroid-Innunized Rabbits. Clin. Res. 18:168, 1970.
6. Chopra, I.J. and D.H. Solomon: The Thyroid Gland in Graves’ Disease: Victim or Culprit? J. Clin. Invest. 48:18a, 1970.
7. Chopra, I.J., U. Chopra, D.H,. Solomon and D.E. Johnson: Changes in Early (20 min.) Thyroid Uptake in Graves’ Disease During Antithyroid Drug Treatment and Their Pertinence to the Final Outcome of Therapy. J. Nucl. Med. 11:623, 1970.
8. Chopra, I.J., U. Chopra, D.H. Solomon and D.E. Johnson: Comparison of Thyroid Handling of 131I and 99TC-Pertechnetate (99TCO4). J. Nucl. Med. 11:307, 1070.
9. Chopra, I.J., G.N. Beall and D.H. Solomon: Demonstration of a Soluble Lipoprotein Inhibitor of LATS human Thyroid Gland Extracts. Abstracts of Sixth International Thyroid Conference held in Vienna, June, 1970, p.75.
10. Solomon, D.H., G.N. Beall and I.J. Chopra: Mobilization of Tissue Thyroxine in Mice by Thyroxine-Binding Proteins: Studies with a Double-Isotope McKenzie Assay. Abstract of Sixth International Thyroid Conference held in Vienna, June, 1970, p.74.
11. Chopra, I.J.: Radioimmunoassay of Triiodothyronine. Clin. Res. 19:125, 1971.
12. Chopra, I.J, and G.N. Beall: Triiodothyronine (T3) and Thyroxine (T4) Ratios (T3/T4) in Thyroid Glands in Health and Disease. Clin. Res. 19:181, 1971.
13. Beall,G.N., I.J. Chopra and D.H. Solomon: Comparative Effects of Immunization of Rabbits with Thyroglobulin and Human and Rabbits Thyroid Microsomes. J. Allergy, 47:99, 1971.
14. Chopra, I.J., J.H. Dussault, D.A. Fisher and D.H. Solomon: The Sources of Circulating Triiodothyronine (T3) in Man. Clin. Res. 19:560.
15. Chopra, I.J., D.H. Solomon and R.S. Ho: A Radioimmunoassay of Thyroxine (T4). Program of the 53^rd Meeting of the Endocrine Society, June, 1971, Abstract #189.
16. Chopra, I.J.,: An Improved Radioimmunoassay (RIA) for Measurement of Thyroxine (t4) in Serum. Program of the Forty-Seventh Meeting of the American Thyroid Association, October, 1971, p.53.
17. Chopra, I.J., G.E. Abraham, U. Chopra, D.H. Solomon and W.D. Odell: Elevation of Circulating Estradiol-17B (E2) in Male Patients with Graves’ Disease. Program of the forty-seventh Meeting of the American Thyroid Association, October, 1971, P.87.
18. Chopra, I.J. and R.W. Lam: Use of 8-Anilino-1-Naphthalene-Sulfonic Acid (ANS) in Radioimmunoassay (RIA) of Triiodothyronine (T3) in Unextracted Serum. Clin. Res. 20:216. 1972.
19. Beall, G.N., I.J. Chopra, D.H. Solomon, J.G. Pierce and J.S. Cornell: Immunization with TSH and its Subunits. Clin. Res. 20:176, 1972.
20. Beall, G.N., D.H. Solomon, I.J. Chopra, J.G. Pierce and J.S. Cornell: Bioactive and Inactive TSH-anti-TSH Complexes in Sera of TSH-Immunized Rabbits. Submitted for the Meeting of International Congress of Endocrinology, Washington, D.C., June, 1972.
21. Chopra, I.J.: Measurement of Serum Thyronine-Binding Globulin (TBG) by a Competitive Ligand-Binding Assay (CLBA). Program of American Thyroid Association Meeting, September, 1972.
22. Chopra, I.J., and S.H. Solomon: Hyperthyroidism Induced by Thyrotropin-Releasing Hormone (TSH) in Mice. Clin. Res. 21:250, 1973.
23. Chopra, I..J. and D.H. Solomon: Thyroxine: Just a Prohormone or a Hormone Too. Clin. Res. 21:189, 1973.
24. Uller, R.P., A.J. Van Herle and I.J. Chopra: Comparison of Alterations in Circulating Thyroglobulin, Triiodothyronine (T3) and Thyroxine (T4) in Responses to Exogenous (Bovine) and Endogenous TSH in Man. Clin. Res. 21:206, 1973.
25. Chopra, I.J., D, Tulchinsky and F.L.Greenway: Estrogen-Androgen Balance in Men with Hepatic Cirrhosis. J. Clin. Invest. 52:18a, 1973.
26. Chopra, I.J., and D.H. Solomon: Hyperthyroidism Induced by Thyrotropin-Releasing Hormone (TRH) in Mice. Clin. Res. 22:488, 1973.
27. Uller, R.P., A.H. Van Herle and I.J. Chopra: the Effect of Exogenous (Bovine) and Endogenous (Human) Thyrotropin (TSH) on Serum Thyroglobulin (Tg), Triiodothyronine (T3) and Thyroxine (T4). Program of the Meeting of the Endocrine Society, June 19-22, 1973, abstract 26.
28. Chopra, I.J., U. Chopra and J. Orgiazzi: Abnormalities of hypothalamo-Hypophyseal Thyroid Axis in Patients with Graves’ Opthalmopathy. Program of the Meeting of the American Thyroid Association, Sept. 11-15, 1973, p.T-9.
29. Chopra, I.J., and Dan Tulchinsky: Status of Estrogen-Androgen Balance in Men with Graves’ Disease. Program of the Meeting of The American Thyroid Association, Sept. 11-15, 1973,p.T-21.Chopra, I.J. and D.H. Solomon: Comparison of Tissue and Serum Binding of Thyroid Hormones. Clin. Res. 22:115A, 1974.
30. Chopra, I.J., U. Chopra, W.P. Vanderlaan and D.H. Solomon: Dissociation of Serum Prolactin and TRH in Patients with Graves’ Ophthalmopathy. Clin. Res. 22:115A, 1974.
31. Orgiazzi, J.O., I.J. Chopra and D.H. Solomon: Intracellular Distribution and the Characteristics of the Camp Binding Protein(s) in Normal an Graves’ Disease Thyroid. Clin. Res. 22:101A, 1974.
32. Tulchinsky, D. and I.J. Chopra: Estrogen-Androgen Imbalance in Patients with Hirsutism and Amenorrhoea. Clin. Res. 21:960, 1973.
33. Chopra, I.J., D.H. Solomon, U. Chopra, R.T. Young, G.N. Chua Teco: Alterations in Circulating Thyroid Hormones and Thyrotropin in Hepatic Cirrhosis. Clin. Res. 22:337A, 1974.
34. Chopra, I.J.: A radioimmunoassay for 3, 3’, 5’-Triiodothyronine (Reverse T3). J. Clin. Invest. 54:16a, 1974, abstract 59.
35. Bray GA, Sims EA and Chopra IJ: Triiodothyronine and Obesity. Clin. Res. 22:128A, 1974.
36. Chopra, I.J.: Role of Long-acting Thyroid Stimulator (LATS) in the Pathogenesis of Hyperthyroidism in Graves’ Disease. Program Fifth Asia and Oceania Congress of Endocrinology, Jan.28-Feb.1, 1974, p.174, abstract 218.
37. 39. Krugman, L.G., J.M. Hershman, I.J. Chopra, G.A. Levine and A.E. Pekary: patterns of Recovery of the Hypothalamic-Pituitary-Thyroid Axis in Patients taken off Thyroid Therapy. Clin. Res. 23:94a, 1975.
38. Orgiazzi, J., I.J. Chopra, and D.H. Solomon: Comparison of cyclic— AMP (cAMP) Binding and Protein-Kinase Activities in Normal and Graves’ Disease Thyroid Glands. Program Fifty-sixth Annual Meeting of the Endocrine Society. June 12—14, 1974, p.A—283, abstract 455.
39. Chopra. I.J., J.M. Hershman and R.W. Hornabrook: Circulating Thyroid Hormones and Thyrotropin in Endemic Goiter. Program Fiftieth Meeting of the American Thyroid Association, Sept. 19—24, 1974, p.T—13.
40. 42. Chopra. I.J: An Assessment of Daily Turnover and Significance of Thyroidal Secretion of Reverse T₃ in Man. Program fifty-seventh Meeting of the Endocrine Society, June, 1975, p.120, abstract 140.
41. Orgiazzi, J., D.E. Williams, I.J. Chopra and D.H. Solomon: Human Thyroid Adenyl Cyclase Stimulator (HTACS) in Immunoglobulin G (IgG) of Patients, with Graves’ Disease. Clin. Res. 23:129A, 1975.
42. 44. Williams. D.E., I I. J. Chopra , J. Orgiazzi D.H. Solomon: Acute Effects of Corticosteroids on Thyroid Activity in Graves’ Disease. Clin. Res. 23:96a, 1975.
43. Chopra. I.J., J. Sack and D.A. Fisher: Metabolic Clearance and Production Rates ef 3,3’ - Triiodothyronine (Reverse T₃) 3,3’ , 5 Triiodothyronine (T₃) and Thyroxine (T₄) in Fetal and Adult Sheep. Clin Res. 23:127a, 1975.
44. Marcus, Robert, Christopher Lundquist and Inder Chopra: In Vitro Inhibition of Cyclic Nucleotide Phosphodiesterase (PDE) by Thyroid Hormones. Clin. Res. 23:94a, 1975.
    
45. Sack, J., I.J. Chopra and D.A. Fisher: Differential Effect of Alpha Methyl Tyrosine (MPT) on Serum T₃ and Reverse (rT₃) Concentrations in Newborn Sheep. Clin. Res. 23:129a, 1975.
    
46. Smith, S.R. and I.J. Chopra: Thyroid Hormones and TSH in Adults with Protein—Calorie Malnutrition. Clin. Res. 23:96a, 1975.
    
47. Sack, J., I.J. Chopra and D.A. Fisher: Reverse T₃ in the Fetus and the Newborn. Program of the Meeting of the Society of Pediatric Research, April, 1975.
48. J. Sack and D.A. Fisher: Mechanisms of High Reverse T₃ and low T₃ in the Fetus. Program of the 7th International Thyroid Conference in Boston, Mass., June 1975, abstract 8-7.
49. Orgiazzi, J.0.. D.E. Williams, I.J. Chopra and D.H. Solomon: Human Thyroid Adenyl Cyclase Stimulator of Graves’ Disease Patients. Program of the 7th International Thyroid conference in Boston, Mass., in June, 1975, abstract 138.
50. Marcus, R., C. Lundquist and I.J. Chopra.: In Vitro Inhibition of Cyclic Nucleotide Phosphodiesterase (PDE) by Thyroid Hormones. Program 57th Annual Meeting of the Endocrine Society, New York, June 18—20, 1975, abstract 470, p.286.
51. Williams, D.E., I.J. Chopra, J. Orgiazzi and D.H. Solomon: Corticosteroid-Induced Acute Reduction in Thyroid Secretion in Graves’ Disease. Clinical Research 23:244A, 1975.
52. Chopra. I.J., D.H. Solomon, U. Chopra, S.R. Smith and M Reza: Evidence for Independent Pathways of Metabolism of T₄: Reciprocal Changes in serum reverse T₃ and T₃ in systemic illnesses. Clinical Research 23:387K. 1975.
53. Chopra. I.J., H.E. Carlson and D.H. Solomon: A Study of TSH - Suppressive Effects of Varioues Thyroid Hormones in the Rat. Clin. Rca. 24:99K, 1976.
54. Chopra. I.J.: Study of Extrathyroidal Conversion of T₄ to T₃ in Vitro: Evidence that Reverse T₃ is a Potent Inhibitor of T₃ Production. Clin. Res. 24:142K, 1976.

55. Matsui, Y., G.N. Beall, I. J. Chopra and D.H. Solomon: Graves’ Disease and Hashimoto’s Thyroiditis: Differences in Production of Leukcocyte Inhibition Factor (LIF). Clin. Res. 24:151A, 1976.

56. Chopra. I.J. and M.B. Davidson: Effect of Caloric Excess and Dietary Composition on Serum T₃ in Man. Clin. Res. 24:99A, l976

57. Chopra I.J.: Extrathyroidal Conversion of T₄ to T₃ in Vitro: Evidence that Reverse T₃ is a Potent Inhibitor of T₃ Production. Clin. Res. 24:426A, 1996.

58. Chopra I.J., H.E. Carlson and D.H. Solomon: Comparison of TSH— Suppressive Effects of Various Thyroid Hormones in Vitro. Clin. Res. 24:270A, 1976.

59. Solomon, D.H., I. J. Chopra, U. Chopra and F. Smith: LATS-Protector Assay as a Basis for Identification of Subgroups of Graves’ Ophthalmopathy. Clin. Res. 24:477A, 1976.

60. Chopra I. J. S.Y. Wu and D.H. Solomon: Extrathyroidal Production of 3,3’—Diiodothyronine (T₂) in Vitro: A Major Pathway of Reverse T₃ Metabolism, A Minor Pathway for T₃. Program fifty-eighth Meeting of The Endocrine Society, June, 1976, abstract 91..

61. Golde, D.W., N. Bersch, I. J. Chopra and M.J. Cline: Potentiation of Erythropoiesis in Vitro by Thyroid Hormones. Clin. Res. 24:309A, 1976.
    
62. Chopra. I.J., S. Wu and D.H. Solomon: Extrathyroidal. Monodeiodination of T₃ and Reverse to 3,3’-diiodothyronine (T₂) in Vitro., Program of the meeting of the International Congress of Endocrinology, Hamburg, Germany, July 18—24, 1976, abstract 120, p.49.
63. Solomon, D.H., I. J. Chopra U. Chopra and F. Smith: Identification of Subgroups of Graves’ Ophthalmopathy Using LATS-Protector Assay. Program of the meeting of the International Congress of Endocrinology, Hamburg, Germany, July 18-24, 1976, abstract 65, p.26.

64. Chopra, I.J.: T₄ Outer Ring Monodeiodination: Further Studies of its Characteristics and Inhibitors. Program of the American Thyroid Association meeting, Toronto, Canada, Sept. 15—18, 1976, p.T—16.

65. Chopra, I.J, D.H. Solomon, U. Chopra, E. Yoshihara, P.1. Terasaki, F. Smith: Abnormalities in Thyroid Function in Relatives of Patients with Graves’ Disease and Hashimoto’s Thyroiditis. Program Amer. Thyroid Association meeting, Toronto, Canada, Sept. 15-18, 1976, p.T11.

66. Wu, S., I. J. Chopra, Y. Nakamura and D.H. Solomon. A Radioimmunoassay of 3,3’ - Diiodothyronine (T₂). Program Amer. Thyroid Association meeting, Toronto, Canada, Sept. 15— 18, 1976, p.T—17.
67. Nakamura, Y., I. J. Chopra and D.H. Solomon: Radiolabeling of Iodothyronines and Their Analogues. Clin. Res. 25:105A, 1977.

68. Wu, S.Y., I. J. Chopra, D.H. Solomon and L.R. Bennett: Reduction of Serum Triiodothyronine (T₃) by Ipodate in Hyperthyroidism. Clin. Res. 25:304A, 1977.

69. Wu, S.Y., A.H. Klein, I. J. Chopra, and D.A. Fisher: Alterations in Tissue 5’ -monodeiodinating Activity in Prenatal Period. Program Fifty—third Meeting of the Amer. Thyroid Assoc., Sept. 7—10, 1977, p. T—15.

70. Chopra., I.J.: Sulfhydryl Groups and Outer Ring Monodeiodination of T₄ and Reverse T₃ (rT₃). Program Fifty—third Meeting of the Amer. Thyroid Assoc., Sept. 7—10, 1977, p.T-12.

71. Wu, S.Y., I. J. Chopra, D.H. Solomon and D.E. Johnson: The Effect of Repeated Administration of Ipodate (Oragrafin^R) in Hyperthyroidism. Clin. Res. 26:108A, 1978.

72. Beall, G.N., D.H. Solomon, I. J. Chopra, S.R. Kruger and Y. Ozawa: Inhibition of Specific Receptor-Binding of TSH by Serum Factors. Clin. Res. 26:146A, 1976.

73. Maciel, R.M.B., Y. Ozawa and I. J. Chopra: Subcellular Localization of T₄ and Reverse T₃ (rT₃) Outer Ring Monodeiodinase Activities. Clin. Res. 26:107A, 1978.

74. Ozawa, Y., R.M.B. Maciel, I. J. Chopra, D.H. Solomon and G.N. Beall: Relationship Between Various Thyroid Stimulating Activities in Circulation of Patients with Graves’ Disease. Clin. Res. 26:107A, 1978.
75. Ginsberg, J., P.G. Walfish, I. J. Chopra: Cord Blood 3,3’,5’- Triiodothyronine (Reverse T₃) in Normal, Premature, Euthyroid Hypothyroxinemic and Hypothyroid Infants. Clin. Res. 26A:106A,
    1978.
76. Maceil, R.M.B., Y. Ozawa and I. J. Chopra: Plasma Membrane: A Site for T₄ and Reverse T₃ (rT₃) Outer Ring Monodeiodinating Activities. Clin. Res. 26:309A, 1978.
77. Chopra, I.J.: Inhibition of Outer Ring Monodeiodination of T₄ and Reverse T₃ (rT₃) by some

78. Chopra. I.J.., F. Geola and D.H. Solomon: Serum 3’,5’-Diiodothyronine (3’,5’—T₂) in Health and Disease. Clin. Res. 26:490A, 1978.

79. Ginsberg, J., P.G. Walfish, I. J. Chopra: Cord Blood 3,3’,5’— Triiodothyronine (Reverse T3) in Normal, Premature, Euthyroid Hypothyroxinemic and Hypothyroid Infants. Annals of Royal College of Physicians and Surgeons of Canada, 11:80, 1978.

80. Geola, F., I.J.Chopra, D.H. Solomon, R.M.B. Maciel: On the Relative Significance of Diiodothyronines 3, 3’-T₂ 3, 5- T₂ and 3’, 5’-T₂. Program Sixtieth Meeting of the Endocrine Society, Miami, Florida, June 14—16, 1978, p.120, abstract 92.

81. Ozawa, Y., R.M.B. Maciel, I. J. Chopra, D.H. Solomon and G.N. Beall: IqG Markers of Graves’ Disease (GD): Dissociation between LATS-Protector (LATS-P) and Thyrotropin Displacing Activity (TDA). Program Sixtieth Meeting of the Endocrine Society, Miami, Florida, June 14—16, 1978, p.121, abstract 93.

82. Chopra I. J., D.H. Solomon, G.W. Hepner, A. Motgenstein: Misleadingly low free T₄ Index (FT₄ I) and usefulness of reverse T₃ (rT₃) measurement in nonthyroidal illness. Program Fifty-fourthMeeting of the American Thyroid Association, September 13—16, 1978, Portland, Oregon, p.T -5.

83. Ozawa, Y., I. J. Chopra, D.H. Solomon and F. Smith: Opposite Effects of Alterations in Sulfhydryl Groups on TSR-binding and Cyclic AMP Production by Thyroid Plasma Membranes (PM). Program Fifty-fourth Meeting of the American Thyroid Association, September 13—16, 1978, Portland, Oregon, p.T-25.

84. Chopra. I.J..: Genetic Aspects of Thyroid Autoimmunity. In Symposium on Hypothyroidism, sponsored by Ames Company, Century Plaza Hotel, Los Angeles, Oct. 20, 1978.
85. Chopra I.J.: Pathogenesis of Graves’ Disease — current concepts. Program Brazilian Congress of Endocrinology, Brazilian, Nov. 20, 1978.
86. Yamada, T., N. Koplowitz, I.J. Chopra: The Mechanism of Propylthiouracil (PTU) Inhibition of Hepatic Thyroxine (T₄) 5’— monodeiodunation. Clin. Res. 26:660A, 1978.
87. Chopra. I. J. and D.H. Solomon: Reduced Outer Ring and Normal Inner Ring Monodejodunation of Idothyronines in the Fasting Rat: Effect of Reduced Nonprotein Sulfhydryl Groups (NPSH) and Hypothyroidism. Clin. Res. 27:19A, 1979.
88. Wu, S.Y., A. Wiechmann, I.J. Chopra, D H. Solomon and K.P. Lyons: Effect of Ethanol on Peripheral Thyroid Hormone Metabolism in Rats. Clin. Res. 27:25A, 1979.
89. 91. Chopra, I.J., D.R. Hollingsworth, S.G. Davis, R.P. Belin and M.C. Reid: Amniotic Fluid 3,3’— and 3’,5’-Diiodothyronune (T₂) in Fetal Hypothyroidism. Clin.. Res. 27:74A, 1979.
90. Beall, G.M., I. J. Chopra, and S.R. Kruger: Antithyroglobulun (Anti— Tg) Synthesis in Vitro and its Regulation. Clin. Res. 27:81A, 1979.
91. Chopra I. J..: Alteration in Hepatic Monodeiodunation of Iodothyronunes in the Fasting Rat: Effect of Reduced Non Protein Sulfhydryl Groups (NPSH). Clin. Res. 27:249A. 1979.
92. Hepner, G.W. and I. J. Chopra,: Serum Thyroid Hormones and Hepatic Microsomal Function as Predictors of Survival in Patients with Alcoholic Cirrhosis. Gastroenterology (in Press).
93. Chopra. I.J. and D.H. Solomon: Evidence for a Thyroid Hormone Binding Inhibitor in Serum of Patients with Nonthyroid Illnesses (NTI). Clin. Res. 27:249A, 1979.
94. Yamada, T., N. Kaplowitz and I. J. Chopra: Mechanism of Inhibition of Hepatic T₄-5’ Monodeiodination by Propylthiouracil. Clin. Res. 27:453A, 1979.
95. Geola, F. and I. J. Chopra, Oral Reverse T₃ (rT₃) Monodeiodination Test: Application to Differential Diagnosis Between Hypothyroidism and Low T₃ Syndrome. Program 61st Meeting of the Endocrine Society, June 13—15, 1979, Anaheim, CA, p.237, abstract 659.
96. Osathonondh, R., I. J. Chopra, H.W. Taeusch, Jr. and D. Tulchinsky: Effect of Dexamethasone on Umbilical Serum Concentrations of Thyroxine, Triiodothyronine, and Reverse Triiodothyronine. Program 60th Meeting of the Endocrine Society, Anaheim, CA, June 13—15, 1979, p.92, abstract 77.

97. Chopra, I. J., and D.H. Solomon: Activity of Thyroxine and its Deiodinated Derivatives. Program of VI International Congress of Endocrinology, Melbourne, Australia, Feb. 10—16, 1980, s—44, p.147.

98. Chopra, I. J., and D.H. Solomon: Activity of Thyroxine and its Deiodinated Derivatives. Program of VI International Congress of Endocrinology, Melbourne, Australia, Feb. 10—16, 1980, s—44, p.147.

99.  Solomon, D.H. and I. J. Chopra Graves’ Disease Iumunoglobulins and Their Correlation with Thyroid Functional States. Program VI International Congress of Endocrinology, Melbourne, Australia, Feb. 10—16, 1980, s—21, p.136.

100. Solomon, D.H. and I. J. Chopra: Is TSH a LATS Protector? Evidence Suggesting Different Sites of Binding of TSR and Thyroid Stimulating Immunoglobulins (TSIS) in Thyroid Tissue. Program VIII International Thyroid Congress, Sydney, Australia, Feb. 3-8, 1980, p.124.

101. Chopra. I. J.: characteristics of Outer Ring (5’ or 3’)Monodeiodunation of 3’,5’— and 3, 3’ Diiodothyronine (T₂). Evidence Suggesting One Outer Ring Monodeiodinase for Various Iodothyronines. Clin. Res. 28:25A, 1980.

102. Chopra, I. J., A Radioimmunoassay (RIA) of 3’ -Monoiodo-thyronine (3’-T₁). Program 62nd Meeting of the Endocrine Society, Washington, DC., June 1980, abstract 508, p.201.

103. Chopra, I. J., G.N. Chua Teco, A.H. Nguyen: On the Nature of Inner Ring (3 or 5) Monodeiodination of 3,5-Diiodothyronune (T₂) in Rat Liver: Evidence Suggesting Marked Similarities of Inner and Outer Ring Delodunases for lodothyronunes. Program Fifty-sixth Meeting of The American. Thyroid Association, San Diego, CA, Nov. 5-8, 1980, p.T—14.

104. Chopra, I. J., G.N. Chua Teco, J. Eisenberg, W. Wiersinga and D.H. Solomon: Structure-Activity Relationships of Inhibition of Hepatic Monodeiodination of Thyroxine (T₄) to Triiodothyronine (T₃) by Thiouracil and Related Compounds. Program Fifty-sixth Meeting of the American Thyroid Association, San Diego, CA, Nov. 5-8, 1980, p.T—15.

107. Chopra, I. J., W. Wiersinga and H.J.L. Frank: Alterations in Hepatic Monodeiodination of Iodothyronunes in Diabetes Mellitus (DM). Clin. Res. 29:26A, 1981

108. Chopra. I. J.: Thyronine (T₀), The Major Metabolite of Iodothyronunes in Man: Studies Using a Highly Specific Radioimmunoassay (RIA). Clin. Res. 29:504A, 1981.

109. Chopra. I. J., and D.H. Solomon: Influence of Some Pharmacological and Clinical Implications. Program Fifth Annual Meeting of the National Academy of Clinical Biochemistry, Kansas City, MO, July 18— 19, 1981.

110. Chopra. I. J.,: Metabolism of Thyroid Hormones: Physiological and Clinical Implication.. Program Fifth Annual Meeting of the National Academy of Clinical Biochemistry, Kansas City, MO, July 18—19, 1981.

111. Wu, S.Y., T.P. Shijh, I.J. Chopra, D.H. Solomon, H.W. Huang and P.C. Chu: Comparison of Sodium Ipodate (Oragrafun^R) and Propylthiouracil in Early Treatment of Hyperthyroidism. Program Fifty Seventh Annual Meeting of the American Thyroid Association, September 15—20, 1981, Minneapolis, Minnesota p.T-6.

112. Chopra. I. J. and D.H. Solomon: Demonstration of an Inhibitor of Serum Binding of Thyroid Hormones in Extrathyroidal Tissue.. Program Fifty Seventh Annual Meeting of the American Thyroid Association, September 15—20, 1981, Minneapoli. Minnesota, p.T—10.

113. Wu, S.Y., N.Ku, R. Reggie, , I.J. Chopra, Evidence for Induction of Thyroidal Iodothyronine Monodeiodinase by TSH. Clin. Res. 30:33A, 1982.

114. Chopra. I.J., T.S. Huang, R. Hurd, D.H. Solomon: Characteristics of a Thyroid Hormone Binding Inhibitor (THEI) in Extrathyroidal Tissues. Clin Res. 30:68A, 1982.

115. Chopra. I. J., T.S. Huang, R. E. Hurd: Effect of Hyperthyroidism on Iodothyronine Metabolism in the Rat. Clin. Res. 30:268A, 1982.

116. Shyh, T.P., S.Y. Wu, , I.J. Chopra,. D.H. Solomon, H.W. Huang, P.C. Chu: A Comparative Study of Ipodate (Oragraf in^R) and Propylthiouracil in the treatment of Hyperthyroidism. Clinical Nuclear Medicine 5:526, 1980.

117. Chopra. I. J.: Free Thyroid Hormones in Nonthyroid Illnesses. Abstracts of Advanced Course on free Hormone Assays and Neuropeptides, Venice, Italy, June 15—17, 1982, p.48.

118. Pennisi, F., G. Salvatore, C. Becicers, P. Carayon, , I.J. Chopra,, R.P. Ekins, A. Ermans, G. Faglia, H. Kohler, R. Larsen, M Lewis, R. Mornex, A. Punchera, H.A. Ross, J. Weeke: International Collaborative Study on the Assessment of Normal Values for Free Thyroid Hormones Abstracts of Advanced Course on Free Hormone Assays and Neuropeptides, Venice, Italy, June 15—17, 1982, p.10.

119. Chopra, I. J..: Thyroid Hormone Metabolism in Nonthyroid Illnesses (NTIs). Abstracts of the Seventh Asia Oceanic Congress of Endocrinology, Tokyo, Japan, August 22—26, 1982, p.8.

120. Huang, T.S., R.E. Hurd, , I.J. Chopra, D.H. Solomon, P. Stevens, L. Young: Coexistence of Inhibitors of Thyroid Hormone Binding and Phagocytosis in Extrathyroidal Tissues. Program Fifty—eighth Meeting of the American Thyroid Association, Quebec, Canada, Sept. 22—25, 1982, p.T—28.-

122. Wu, S.Y., R. Reggio, W. Florsheim , I.J. Chopra,: The Stimulation of Thyroidal T₄ to T₃ Conversion by LATS as one of the possible mechanisms for hypertriiodothyroninemia in Graves’ Disease. Clinical Nuclear Medicine 98:P38, D3, 1982.

123. Huang, T.S., I.J. Chopra, R.E. Hurd and D.H. Solomon: Evidence of Amelioration of Cardiac Effects of Thyroxine (T₄) by Sodium Ipodate. Clin. Res. 31:272A, 1983.

124. Huang, T.S., R.E. Hurd, A. Sungh, , I.J. Chopra, and D.H. Solomon: Effect of Fasting on Serum and Tissue Concentration of the Inhibitors of Thyroid Hormone Binding and Phagocytosis. Program 65th Annual Meeting of the Endocrine Society, San Antonio, Texas, June 8—10, 1983, p.204, abstract 494.

125. Kannan, R., D. Tidwell, M. Ookhtens, , I.J. Chopra, and B.N. Singh: Effect of Chronic Administration of Amiodarone on Kinetics of Metabolism of Iodothyronines (T₄, T₃ and reverse T₃). Program 65^th Annual Meeting of the Endocrine Society, San Antonio, Texas, June 8—10, 1983, p.209, abstract 515.

126. Kannan R, D. Tidwell, M. Ookhtens, , I.J. Chopra, B.N. Singh: Effect of Amiodarone on Metabolic Clearance Rate (MCR) and Production Rate (PR) of 3,3’5’—Triiodothyronine (Reverse T ) and Thyroxine (T ). Clin Res 31:24A, 1983.

127. Chopra I. J.., T.S. Huang, R.E. Hurd, D.H. Solomon: A Radioimmunoassay of 3, 5—Dimethyl, 3’ —Isopropyl Thyronine (DIMIT). Program Fifty-Ninth Annual Meeting of The American Thyroid Association, New Orleans, Louisiana, Oct. 5—8, 1983, p.T—7.

128. Huang, T.S., , I.J. Chopra, R. Hurd, E. Colhoun, D.H. Solomon: A Thyroid Hormone Binding Inhibitor (THBI) in Normal Rat Tissues: Further Studies and Development of a Competitive Ligand Binding Assay (CLBA). Program Fifty-Ninth Annual Meeting of The American Thyroid Association, New Orleans, Louisiana, Oct. 5-8, 1983, p . T—3 5.

129. Chopra, I. J., T.S. Huang, A. Beredo, R.E. Hurd, D.H. Solomon: A Competitive-Ligand Binding Assay (CLBA) of Thyroid Hormone Binding Inhibitor (THBI). Clin. Res. 32:74A, 1984.

130. Chopra. I. J., T.S. Huang, A. Beredo, D.H. Solomon, G.N. Chua Teco: Evidence for an Inhibitor of Extrathyroidal conversion of T -to-T (IEC) in Sera of Patients with Nonthyroidal Illnesses. Clin. Res. 32:483A, 1984.

131. Beall, G.N., B. Rapoport, , I.J. Chopra, D.H. Solomon, S. Kruger: Rabbits Immunized with TSH Produce Thyroid Stimulating Antibodies. In Abstracts of Seventh international Congress of Endocrinology. July 1—7, 1984, Quebec City, Quebec, Canada, Excerpta Medica, ICS #652, p.397, abstract 273.

132. Chopra I. J., .T.S. Huang, A. Beredo, D.H. Solomon: Role of the Thyroid Hormone Binding Inhibitor (THBI) in Thyroid Function Abnormalities of Nonthyroid Illnesses. In Abstracts of Seventh International Congress of Endocrinology, Quebec City, Quebec, Canada, July 1—7, 1984, Excerpta Medica #652, p.533, abstract #545.

133. Huang, T.S., A. Beredo, , I.J. Chopra,, D.H. Solomon, G.N. Chua Teco: The Inner Ring (5-) Monodeiodination of Thyroxine (T ) to 3, 3’,5’- Triiodothyronune (Reverse T , rT ) in Cerebral Cortex (CC). In Abstracts of Seventh International Congress of Endocrinology, Quebec City, Quebec, Canada, July 1-7, 1984, Excerpta Medica ICS #652, p.808, abstract #1095.

134. Chopra, I. J., G.N. Chua Teco, J. Mead, T.S. Huang, A. Beredo, D.H. Solomon: Relationship Between Serum Free Fatty Acids (FFA) and Thyroid Hormone Binding Inhibitor (THBI) in Nonthyroid Illnesses (NTI). In Abstracts of Sixtieth Meeting of The American Thyroid Association, New York City, Sept. 19-22, 1984, p.T-7.

135. Huang, T.S., A. Beredo, , I.J. Chopra, D.H. Solomon, G.N. Chua Teco: Skin is an Active Site for the Inner Ring Monodeiodination of Thyroxine to 3,3’ , 5 ‘-Triiodothyronine (Reverse T₃ , rT₃ ). In Abstracts of Sixtieth Meeting of The American Thyroid Association, New York City, Sept. 19—22, 1984, p.T—29.

136. Huang, H.W., D.C. Schen, L.R. Shian, d.Y. Jeng, T.Y. Bian, , I.J. Chopra, D.H. Solomon, S.Y. Wu: Long-term Treatment of Graves’ Hyperthyroidism with Ipodate. In Abstracts of Sixtieth Meeting of The American Thyroid Association, New York City, Sept. 19—22, 1984, p.T—57.

138. Beall, G.N., B. Rapoport, , I.J. Chopra, S.R. Kruger: Further Studies of the Production by Rabbits of Thyroid-Stimulating Anti-Idiotypic Antibodies to TSR. Program Ninth International Thyroid Congress, Sept. 1—6, 1985, Sao Paulo, Brazil, p.99, abstract 118.

139. Beall, G.N., B. Rapoport, , I.J. Chopra, S.R. Kruger: Auto— antiidiotypic Thyroid-Stimulating Antibodies in Rabbits Immunized with TSH. Program Sixty-Seventh Meeting of the Endocrine Society, June 19—21, 1985, p.177, abstract 707.

140. Huang, T.S., , I.J. Chopra, D.H. Solomon: Turpentine Oil—Injected Rat: A Model of Thyroid Hormone Changes of Nonthyroidal Illness (NTI). Clin. Res. 34:22A, 1986.

141. Chopra. I. J., T.S. Huang, W.B. Flacke, H. Wong: Endocrine Alterations in Turpentine Oil—Injected Rat: A Model of Systemic Nontklyroidal Illnesses. Clin. Res. 34:92A, 1986.

142. Chopra I. J., T.S. Huang, R. Boado, D.H. Solomon, G.N.Chua Teco: The Tissue Effects of Nonthyroidal Illness are not due to Hypothyroidism: Studies Using Turpentine Oil-Injected Rat. Program Sixty-First Meeting of The American Thyroid Association, Sept. l0 -13, 1986, p.T—25.

143. Boado, R., , I.J. Chopra,, T.S. Huang, W.W. Chin, F.O. Wettstein: On the Mechanism of Fall in Serum TSH in Nonthyroidal Illness. Program Sixty-First Meeting of the American Thyroid Association, Sept. 10-13, 1986, p.T—42.

144. Huang, T.S., , I.J. Chopra, R. Boado, T.C. Wu, D.P. Tashkin, D.H. Solomon: Effect of Turpentine Oil on Thyroid Economy in the Rat: A Model of the Human Syndrome of Nonthyroidal Illness. Clin. Res. 34:426, 1986.

145. Kannan, R., R. Kato, R. Takikawa, T.S. Huang, , I.J. Chopra, B.N. Singh: Reverse Triiodothyronine Administration has no Effect on Electrophysiology of the Rabbit Heart. Fed. Proc. 45:999A, 1986.

146. Boado, R.J., T.S. Huang, I.J. Chopra, D.H. Solomon: Inhibition of Hepatic hodothyronun. 5’—Monodeiodunation by Free Radicals. Clin. Res. 35:393A, 1987.

147. Boado, R., , I.J. Chopra, I. Flink, D.H. Solomon: Enzyme Binding Inhibiting Assay for Iodothyronune 5’ -Monodeiodunase (5’ -M) and its Application to Isolation of a cDNA Clone Coding for the 5’-MD in Rat Liver. Program Sixty-Second Annual Meeting of The American Thyroid Association, Sept. 16—19, 1987, p.T—56, abstract-lll.

148. Chopra I. J., R. Boado, D.L. Geffner, D. H. Solomon: Measurement of urinary Excretion of Thyronine (To) by Immunoassay: A Possible Means to Differentiating Euthyroid Sick Syndrome from Hypothyroidism. Program Sixty-Second Annual Meeting of The American Thyroid Association, Sept. 16—19, 1987, p.T-59, abstract 116.

149. Huang, T.S., T.C. Chang, , I.J. Chopra,,: Inhibition of Adenyl Cyclase Activity of TSH-Stimulated Thyroid Plasma Membranes by Unsaturated Fatty Acids.. Program Sixty-Second Annual Meeting of The American Thyroid Association, Sept. 16—19, 1987, p.T-l8, abstract 56.

150. Boado, R.J., T.H. Lu, , I.J. Chopra, Application of an Enzyme Binding Inhibiting Assay for Isolation of a cDNA Clone Coding for the Iodothyronine 5’-Monodeiodinase in Rat Liver. Clin. Res. 36:122A, 1988.

151. Shen, D.C., S.Y. Wu, , I.J. Chopra, D.A. Wu, L.R. Shian, D.H. Solomon: Further Studies of the Use of Sodium Ipodate in the Treatment of Graves’ Hyperthyroidism. Clin. Res. 36: 1271, 1988.

152. Boado, R.J., , I.J. Chopra,: A Study of Hepatic Low km Iodo-thyronine 5’—Monodeiodinase (5’-MD). Program Seventieth Annual Meeting of the Endocrine Society, June 8—11, 1988, New Orleans, Louisiana, p.106, abstract 344.

153. Boado, R.J., D. Campbell, , I.J. Chopra,: Isolation and Sequence of a cDNA Clone for the Rat Liver hodothyronune 5’-Monodeio-dunase. Clin. Res. 1801, 1988.

154. Chopra, I. J., D.H. Solomon, T.S. Huang: Serum TSH in Hospitalized Psychiatric Patients (HPP): Evidence for Hyperthyrotropisenia as Measured by an Ultrasensitive TSH Assay. Program Seventieth Annual Meeting of the Endocrine Society, June 8-11, 1988, New Orleans, Louisiana, p.282, abstract 1047.

155. Boado, R.J., D.A. Campbell, , I.J. Chopra,: Isolation and Sequence of a cDNA Clone for the Rat Liver hodothyronune 5’-Monodeiodunase (5’— MD) and its Application to Study the Distribution of the 5’—MD mRNA. Program Sixty-Third Annual Meeting of The American Thyroid Association, Sept. 28 - Oct. 1, 1988, Montreal, Canada.

156. Kannan, R., , I.J. Chopra,, M. Ookhtens, B.N. Sungh: Effect of Amiodarone on Non-Deiodunative Pathway of Thyroid Hormone Metabolism. J. Amer. Soc. Biochem. Mol. Biol., 1988.

157. Chopra, I. J., G.N. Chua Teco, S. Parikh, D.H. Solomon: A Radioimmunoassay (RIA) of Rat Protein Disulfide Isomerase (PDI). Program Seventy—First Annual Meeting of the Endocrine Society, Seattle, Washington, June 21—24, 1989, p.286, abstract 1053.

158. Chopra, I. J., Solomon, G.N. Chita Teco: Changes in Tissue Concentration of Protein Disulfide Isomerase (PDI) with Aging in the Rat. Abstracts of the Annual Meeting of the American Thyroid Association, San Francisco, California, September 6-9, 1989, p.T—68, abstract 135.

Wu, S.Y., Chopra, IJ, Fisher, DA: Changes in Iodothyronine 5’ –Monodeiodinating Activities in various Sheep Tissues in the postnatal Period. Abstracts of the Sixty-Fourth Annual Meeting of The American Thyroid Association, San Francisco, California, Sept. 6-9m 1989, p.T-36, abstract 70.

161. Chopra, I. J.: Mechanism of Low Serum T₃ in Systemic Nonthyroidal Illnesses. Chinese Med. J. 43:409, 1989.

162. Chopra I. J., S. Sakane, G.N. Chua Teco: A Study of Serum Concentration of Tumor Necrosis Factor Alpha (TNFa) in Thyroidal and Nonthyroidal Illnesses: Evidence Against a Major Role of TNFa in Euthyroid Sick Syndrome. Program 72nd Annual Meeting of the Endocrine Society, June 19—24, 1990, abstract 327.

163. Sakane, S., , I.J. Chopra,, G.N. Chua Teco: Further Evidence of a Role of Protein Disulphide Isomerase (PDI) in lodothyronine 5’— Monodeiodination. Program 72nd Annual Meeting of the Endocrine Society, June 19—24, 1990, abstract 743.

164. Sakane, S., , I.J. Chopra,: Isolation of Rat Liver Iodothyronine 5’— Monodeiodinase by Non—denaturing Agarose Gel Electro—phoresis. Program International thyroid Congress, February 3-8, 1991, The Hague, Netherlands, February 3-8, 1991.

165. Santuni, F. I.J. Chopra,: Evidence That the Human Placental lodothyronune 5-Monodeiodunase (5-MD) is a Phospholipid-Requiring Enzyme. Abstracts of the Sixty-Fifth Annual Meeting of the American Thyroid Association, Sept. 11—15, 1991, Boston, MA, page 5—72, Abstract 143.

166. Chopra. I. J., S.Y. Wu, G.N. Chua Teco, F. Santuni: Measurement of 3,5,3’-Triiodothyronune Sulfate (T₃S~ in Thyroidal and Nonthyroidal Diseases, Pregnancy and Neonatal Life . Abstract t of the Sixty-Fifth Annual Meeting of the American Thyroid Association, Sept. 11—15, 1991, Boston, MA, page 5-40, Abstract 80.

167. Clare—Salzer, M., E. Jacobs, , I.J. Chopra,, R. Riglin: Thyroid Function Abnormalities Associated with Recombinant IL—2 (rIL-2) and Interferon—Alpha (rIFMa) Therapy. Clin. Res. 39:423A, 1991.

168. Santini, F.,I.J. Chopra, S.Y. Wu, D.H. Solomon, G.N. ChuaTeco: Metabolism of 3,5,3’ -Triiodothyronune Sulfate (T₃S) by Tissues of the Fetal Rat: A Consideration of the Role of T₃ S as a Source of T₃. Clin. Res. 40:78A, 1992.

169. Santini, F., , I.J. Chopra,, R.E. Hurd, G.N. Chua Teco, D.H. Solomon: A Study of the Characteristics of the Rat Placental lodothyronune 5-Monodeiodunase (5-MD): Evidence That It Is Distinct from Hepatic Iodothyronine 5’ -Monodeiodinase (5’ -MD).Clin. Res. 40:24A, 1992.

170. Santini, F. , I.J. Chopra, R.E. Hurd, D.H. Solomon, G.N. Chua Teco: A Study of the Characteristics of Hepatic Iodothyronine 5’—Monodeiodinase (5’—MD) in Various Vertebrate Species. Clin. Res. 40:416A, 1992.

171. Santuni, F., D.H. Solomon, , I.J. Chopra,; Evidence That Prior Deamination Is More Conducive Than Sulfoconjugation to Degradation of Thyroid Hormones by Rat Placental Type III 5- Monodiodinase (5-MD). Program, 73rd Annual Meeting of the Endocrine Society, June 1992, San Antonio, TX, Abstract 439, pp. 161.

172. Santini, F., I.J. Chopra,: A Radioimmunoassay (RIA) of Rat Type I Iodothyronine 5’-Monodeiodinase (5’—MD). Program, Ninth International Congress of Endocrinology, Nice, August 1992.

173. Chopra. I. J., F. Santini, R.E. Hurd, G.N ChuaTeco: A Radjoimmunoassay for Measurement of Thyroxine Sulfate (T₄S) Program 66th Annual Meeting of the American Thyroid Association; September, 1992, Rochester, MN, 5-91, Abstract 155.

174. F. Santini, D. Cortelazzi, A.M. Baggiani, A.M. Marconi, P. Beck Peccoz , I.J. Chopra,: A Study of Serum T₃S Concentration in Normal and Hypothyroid Fetuses at Various Gestational Stages. Program 66th Annual Meeting of the American Thyroid Association, September 1992, Rochester, MN, 5—91, Abstract 154.

175. Santini, F., Chopra. I.J... Hurd, R.E. and G.N. Chua Teco: A Study of the Characteristics of Hepatic. Type I Iodothyronine 5’Monodeiodunase (5’MD) in Various Vertebrate Species. Program International Symposium on Molecular and Cellular Biology of Thyroid Disease, Pisa, Italy, September 78-8, 1992.

176. Santini, F. Hurd, R.E., Lee, B. and I. J. Chopra: Evidence for Thyromimetic Effects of 3, 5, 3’-Triiodothyronine Sulfate (T₃S) in Hypothyroid Rats. Clin, Res. 41: 84A, 1993.

177. Hurd, R.E., Santini, F., Naim, P., Lee, B. and .I.J. Chopra: A Study of Triiodothyronine Sulfation Activity in Rat Tissues. Clin, Res. 41: 62A, 1993.

178. Santini, F., R.E. Hurd, B. Lee , I.J. Chopra,: A Study of 3.5,3’- Triiodothyronine (T₃S)in Hypothyroid Rats . Program 75th Annual Meeting of the Endocrine society, June 1993, Las Vegas, NV., Page 256, Abstract 823.

Santini, F., R.E. Hurd, B. Lee and , I.J.Chopra,: Sex Related Differences in Iodothyronine

Metabolism in the Rat. Program 67th Annual Meeting of the American Thyroid Association, Tampa, FL, November 1993, T-52, Abstract 102.

181. Chopra. I. J..: Update on Management of Thyroid Carcinoma. Biomedicine and Pharmacotherapy 47: 248, 1993.

182. Santini, F., L. Chiovato, P. Lapi, M. Lupetti, A. Dolfi, F. Bianchi, N. Bernardini, , I.J. Chopra, The location and the Regulation of the Type I — hodothyronine 5’-monodeiodinase (Type I -MD) in the Rat Thyroid: Studies Using a Specific Anti-type I-MD Antibody. Program of the meeting of the European Thyroid Association, Vienna, Austria, September 1994.

183. Lapi, P., F. Santini, I. Bartaleva, R. Palla, V. Panichi, F. Velluzi, L. Grasso, , I.J. Chopra,. Martuno.: Serum T₃ Sulfate (T₃S) Concentration in nonthyroidal illness (14Th). Program of the meeting of the European Thyroid Association, Vienna, Austria, September. 1994.

184. Chopra I. J, Nguyen, D: Demonstration of Thyromimetic Effects of 3,5,3’-Triiodothyronine Sulfate (T₃S) in Euthyr6id Rats. Abstracts of the meeting of 11th International Thyroid Congress, Toronto, Canada, September 1995.

185. Taing, P., L. Mikus, , I.J. Chopra, Direct Determination of Free Triiodothyronine (T₃) in Undiluted Serum By Equilibrium Dialysis/Radioimmunoassay (RIA). Abstracts of the meeting of 11^th International Thyroid Congress, Toronto, Canada, September 1995.

186. Santini, F., P. Lapi, E. Ghirri, G. Fiore, G. Bendunlli, D. Taddei, M.Ciampi, R. Centoni, I. J Chopra, L. Chiovato. 3,5,3’— Triiodothyronine Sulfate (T₃S) Concentrations in Premature and Full Term Newborns. J. Endocrinol. Invest 18 (Suppl. to No. 5): 45:1995, abstract 154.

187. Chopra, I. J., Taing, P., Mikus, L., Solomon, D.H. Aging and Thyroid Hormone Metabolism: Evidence for abnormalities in sulfoconjugation and fasting induced reduction in serum T₃. Program 69th Annual Meeting of the American Thyroid Association, San Diego, CA, Sept. 1996.

189. Chopra, I.J.: New Insights Into the Diagnosis and Management of the Medullary Carcinoma of Thyroid. Abstracts of the International Conference on Advances in Management of Malignancies, November 24-26, 1996, Pisa, Italy.

190. Chopra, I.J., Trong, U.T., Le, A.: Simultaneous Measurement of Free Thyroxine (T4) and Free 3,5,3’-Triiodothyroxine (T3) in Undiluted Serum by Direct Equilibrium Dialysis/Radioimmunoassay. Program 70th Annual Meeting of the American Thyroid Association, Colorado Springs, Colorado, October 15-19, 1997, P. 123, abstract 245.

191. Santini, F., Chiovato, L., Ghirri, P., Lapi, P., Mammoli, C., Montanelli, L., Scartabeili, G., Ceccarini, G., Chopra, I.J., Pinchera, A.: Serum Iodothyronines in the Human Newborn: Findings Suggesting a Major Role for Placenta in the Regulation of Thyroid Hormone Balance During Intrauterine Life. Program 70^th Annual Meeting of the American Thyroid Association, Colorado Springs, Colorado, October 15-19, 1997, p. 5-116, abstract 231.

193. Chopra, IJ.,: Controversies in the Management of Differentiated Thyroid Carcinoma. Biomedicine. Abstracts of International Conference in Management of Malignancies, October 19-21, 1998, in Pisa, Italy.

195. Sabatino L., Chopra IJ., Iervasi G., Ferrazi P., Glauber M., Francesconi D., Iodthyronine Monodeiodinase and activities is normal: Pathological tissues in Man and their comparison with activities in rat tissues. Abstracts of 72^nd meeting of the American Thyroid Association meeting held in Palm Beach, Fl., October, 1999.

196. Sabatino L., Chopra IJ., Iervasi, G.,: A Radiommunnoassay of Human Type I Iodothyronine 5’Monodeiodinase Abstracts of the 12^th International Thyroid Congress, October, 2000, Kyoto, Japan (Submitted).

197. Chopra IJ., : Perspectives on Thyroid Hormone Metabolism. Abstracts of the Third International Symposium on Thyroid Hormone Metabolism, October 2000, Taipei, Taiwan (Submitted).