Plasma testosterone levels in rats under various conditions.


A radioimmunoassay (RIA) for testosterone (T) was found to be suitable for determination in plasma of rats. Since the cross-reactive dihydrotestosterone levels were extremely low both in males (130.8 +/- 27.6 pmol/l) and females (189.4 +/- 41.3 pmol/l), the procedure measured T equally well, whether or not chromatography preceded the RIA. The method met all… (More)


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