Churchill, B M Emergency treatment and long-term follow-up of posterior urethral valves. [electronic resource] - The Urologic clinics of North America May 1990 - 343-60 p. digital Publication Type: Journal Article; Review ISSN: 0094-0143 Subjects--Topical Terms: ChildFetal Diseases--diagnosisHumansPrenatal DiagnosisUltrasonographyUrethra--abnormalitiesUrinary Bladder--physiopathologyUrinary DiversionVesico-Ureteral Reflux--complications