title: Urethral flora in adolescent boys.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000382:microbiology; D014521:Urethra / Q000382:microbiology*; D014526:Urethritis / Q000382:microbiology