title: Hazards of urethral instrumentation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004106:Dilatation; D006069:Gonorrhea / Q000150:complications; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D014522:Urethral Diseases / Q000209:etiology*; D014524:Urethral Obstruction / Q000209:etiology / Q000628:therapy*; D014525:Urethral Stricture / Q000628:therapy; D014526:Urethritis / Q000150:complications; D014546:Urinary Catheterization / Q000009:adverse effects*