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Plasma testosterone concentration in control and testosterone-treated chick embryos

Gasc JM, Thibier M

Experientia, 1979

Abstract

After testosterone propionate treatment (1 or 2 mg per embryo), plasma testosterone in chick embryos rises to 500 times higher than in control animals, and then progressively diminishes during the following days of incubation. These drastic changes in hormonal status after the TP treatment entails consequences that may be considered pharmacological rather than physiological.

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