title: Studies on 3alpha-hydroxy-5alpha-pregnan-20-one-4-14C.
mesh_terms: D002247:Carbon Isotopes; D002855:Chromatography, Thin Layer; D005243:Feces / Q000032:analysis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011276:Pregnanediol / Q000652:urine*; D011278:Pregnanes / Q000652:urine*; D011374:Progesterone / Q000378:metabolism*
chemical_list: D002247:Carbon Isotopes; D011278:Pregnanes; D011374:Progesterone; D011276:Pregnanediol