N. R. STEPHENSON, PH.D.
According to USP XVII, desiccated thyroid must contain not less than 0.17 and not more than 0.23% iodine in thyroid combination and must be "free from iodine in inorganic or any form of combination other than that peculiar to the thyroid gland." The source of the material is not specified, but it is described as being obtained "from domesticated animals that are used for food by man." However, Stasilli and Kroc (1) reported that porcine thyroid preparations had significantly more goiter prevention activity than those prepared from a bovine source. This observation, confirmed by Wiberg and associates (2), drew attention
STEPHENSON NR. The Standardization of Desiccated Thyroid. Ann Intern Med. 1967;67:211–212. doi: 10.7326/0003-4819-67-1-211
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Published: Ann Intern Med. 1967;67(1):211-212.
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