The human male cycle of urinary oestrone and 17-oxosteroids.
D015068:17-Ketosteroids / Q000378:metabolism* / Q000652:urine*; D000328:Adult; D002940:Circadian Rhythm; D003401:Creatine / Q000652:urine; D004970:Estrone / Q000378:metabolism* / Q000652:urine*; D005246:Feedback; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged
D015068:17-Ketosteroids; D004970:Estrone; D003401:Creatine