Colorectal view of venereal disease.
D000293:Adolescent; D000328:Adult; D003108:Colonic Diseases / Q000209:etiology*; D005260:Female; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases / Q000209:etiology*; D012749:Sexually Transmitted Diseases / Q000175:diagnosis*