title: Endoscopic diagnosis of posterior urethral valves.
mesh_terms: D002648:Child; D000013:Congenital Abnormalities / Q000175:diagnosis; D003558:Cystoscopy; D004724:Endoscopy; D006801:Humans; D008297:Male; D014521:Urethra / Q000002:abnormalities* / Q000473:pathology