title: Serological markers as indicators of sexual orientation in AIDS virus-infected men.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D000328:Adult; D003586:Cytomegalovirus Infections / Q000453:epidemiology*; D004812:Epidemiologic Methods; D006509:Hepatitis B / Q000453:epidemiology*; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D013587:Syphilis / Q000453:epidemiology*