Proceedings: urethral obstructions in children.
D002648:Child; D006801:Humans; D007674:Kidney Diseases / Q000150:complications; D008297:Male; D014525:Urethral Stricture / Q000150:complications / Q000453:epidemiology* / Q000601:surgery; D001745:Urinary Bladder Diseases / Q000150:complications; D014718:Vesico-Ureteral Reflux / Q000150:complications / Q000601:surgery