title: The transperitoneal approach to pelvi-ureteric obstruction in children.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D011379:Prognosis; D014517:Ureteral Obstruction / Q000151:congenital / Q000000981:diagnostic imaging / Q000601:surgery*; D014567:Urography