title: "Closed" external sphincterotomy for bladder outlet obstruction in myelomeningocele.
mesh_terms: D002648:Child; D003558:Cystoscopy; D006801:Humans; D008297:Male; D011312:Pressure; D016135:Spinal Dysraphism / Q000150:complications*; D014521:Urethra / Q000601:surgery; D001748:Urinary Bladder Neck Obstruction / Q000150:complications / Q000601:surgery*