title: Management of posterior urethral valves.
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011300:Preoperative Care; D014521:Urethra / Q000002:abnormalities* / Q000601:surgery; D014524:Urethral Obstruction / Q000209:etiology / Q000601:surgery*