title: [Congenital urethral valves. Case report].
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D014525:Urethral Stricture / Q000151:congenital* / Q000601:surgery; D014567:Urography
vernacular_title: Le valvole congenite dell'uretra. Contributo clinico.