JAMA. 1930;94(5):341-342. doi:10.1001/jama.1930.02710310037013.
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At the thirteenth International Congress of Physiology in Boston, heldin August, 1929, Dr. E. A. Doisy of St. Louis and his co-workers C. D. Veler and S. Thayer announced for the first time the isolation of the female sex hormone in crystalline form.1 Subsequently, Dr. A. Butenandt, assistant to Professor Windaus in Göttingen, announced that he, too, had isolated the hormone of the female sex glands in chemically pure crystallized form. Butenandt stated that his preliminary article was published because he had learned of the report of Doisy's discovery before the international congress.2 However, the description of the product did not appear until the December 27 issue of the Deutsche medizinische Wochenschrift and in this article Butenandt completely ignores the Doisy announcement. As might have been anticipated, the German investigator promptly conferred on his product a trade name controlled through a German manufacturer. Butenandt points out incidentally that


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