Abstract
Conclusions
It is possible to initiate lactation in the pseudo-pregnant rat by injecting lactogen + the adrenal cortical hormone or lactogen + the adrenal cortical hormone + a 20% glucose solution. It would seem, therefore, that the refractoriness of the mammary glands of the pseudo-pregnant rat to lactogen can be explained on the assumption that another hormone becomes the limiting factor in milk secretion before lactogen can fully express itself.
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