Metabolism of pregnenolone-7 alpha-3 H and progesterone-4-14 C in young and elderly men.
D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology*; D002247:Carbon Isotopes; D006801:Humans; D008297:Male; D008875:Middle Aged; D011284:Pregnenolone / Q000652:urine*; D011374:Progesterone / Q000652:urine*; D011874:Radiometry; D014316:Tritium
D002247:Carbon Isotopes; D014316:Tritium; D011374:Progesterone; D011284:Pregnenolone