[Sexually transmissible diseases in the anorectal area].
D001004:Anus Diseases / Q000175:diagnosis*; D006716:Homosexuality; D006801:Humans; D008297:Male; D012002:Rectal Diseases / Q000175:diagnosis*; D012749:Sexually Transmitted Diseases / Q000175:diagnosis*
Sexuell übertragbare Erkrankungen im Anorektal-Bereich.