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SOME years ago we used to test the urine from men for comb growth-promoting substances by extracting it with benzene and by determining the growth of the comb of capons produced by such extracts. The amount found varied from more than 12 to less than 4 units per litre of urine, the average being 4-6 units per 1. (The unit is 2/8 of the quantity which, when divided into 8 portions of which 2 portions are injected daily on 4 consecutive days, causes an increase of the comb surface of more than 15 % in the majority of capons used for one experiment;

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Ueber das weibliche Sexualhormon, das Hormon des östrischen Zyklus (Menformon) '). IV.Einfluß auf den StoffwechseJ, Widerstandsvermögen gegen physikalische und andere Eingriffe 2).

No abstract