title: Gas chromatographic determination of urinary excretion of testosterone, epitestosterone, and androstenedione in pre-adolescent and adolescent children.
mesh_terms: D015068:17-Ketosteroids / Q000652:urine*; D000293:Adolescent; D000328:Adult; D000375:Aging; D000731:Androstanes / Q000652:urine*; D000735:Androstenedione / Q000652:urine; D002247:Carbon Isotopes; D002648:Child; D002849:Chromatography, Gas; D006801:Humans; D008297:Male; D011627:Puberty; D013739:Testosterone / Q000652:urine*
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes; D002247:Carbon Isotopes; D013739:Testosterone; D000735:Androstenedione