Abstract
THE results described here were obtained during experiments on the mode of action of anti-gonadotrophic substances. They are reported because of the present-day interest in the action of steroids which suppress fertility, and to illustrate how assays of total gonadotrophin may be misleading in this context.
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BROWN, P., WELLS, M. & YOUNGSON, A. Effect of Norethynodrel on Pituitary Gonadotrophic Potency in Intact Male Rats. Nature 205, 88–89 (1965). https://doi.org/10.1038/205088a0
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DOI: https://doi.org/10.1038/205088a0
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