title: [Clinical study of congenital mechanical obstruction of lower urinary tract].
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D004724:Endoscopy; D006801:Humans; D007223:Infant; D008297:Male; D011379:Prognosis; D014524:Urethral Obstruction / Q000151:congenital* / Q000175:diagnosis / Q000601:surgery; D014563:Urodynamics