title: Serum testosterone levels in homosexual men.
mesh_terms: D000328:Adult; D006716:Homosexuality / Q000097:blood* / Q000145:classification / Q000628:therapy; D006801:Humans; D008297:Male; D011581:Psychological Tests; D011613:Psychotherapy; D011863:Radioimmunoassay; D013739:Testosterone / Q000097:blood*; D013997:Time Factors
chemical_list: D013739:Testosterone