HERBERT A. SELENKOW, M.D., F.A.C.P.; MARVIN S. WOOL, M.D.
Thyroid hormone preparations of animal origin have been used extensively for over three quarters of a century. Their striking metabolic effects in correcting human thyroid insufficiency are well-known to physicians, and their therapeutic use in suppression of goiter as well as in non-thyroidal metabolic disorders is common practice. Less appreciated, however, are the variations in potency and hormonal constitution that may occur among preparations derived from the same or from different animal species or that are a consequence of a particular method of processing (1-9). Widely varying or even impotent preparations of commercially available thyroid (3, 4, 6, 10-12) can
SELENKOW HA, WOOL MS. A New Synthetic Thyroid Hormone Combination for Clinical Therapy. Ann Intern Med. ;67:90–99. doi: 10.7326/0003-4819-67-1-90
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Published: Ann Intern Med. 1967;67(1):90-99.
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