Last week Professor James Bertram Collip, with Dr. A. D. Campbell, of McGill University, reported their crystallization of the very important, pure female sex hormone. This in the Canadian Medical Journal.
Last December Professor A. Butenandt of the University of Göttingen similarly reported his crystallization of the female sex hormone. This in the Deutsche medizinische Wochenschrift.
Last August Professor Edward Adelbert Doisy of St. Louis University and his co-workers C. D. Veler and S. Thayer similarly reported their crystallization of the female sex hormone. This at the Boston meeting of the International Congress of Physiology.
To whom goes the kudos of priority in crystallizing,...
