title: Plasma testosterone and semen analysis in male homosexuals.
mesh_terms: D000293:Adolescent; D000328:Adult; D002465:Cell Movement; D002610:Cheek; D006716:Homosexuality / Q000097:blood / Q000145:classification / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D008297:Male; D009061:Mouth Mucosa / Q000166:cytology; D011606:Psychosexual Development; D012661:Semen; D013094:Spermatozoa; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone