IN adult bilateral cryptorchid human subjects, a correlation has been found between androgen excretion in the urine and the amount of acid phosphatase in the semen 1. The suggestion was made that if a ...

WE have recently provided evidence that in the avian salt gland sodium is pumped by a mechanism which we have termed the phosphatidic acid-cycle 1,2. In this mechanism phosphatidate functions as a ...

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