title: Congenital ureteral valves in children.
mesh_terms: D002675:Child, Preschool; D003558:Cystoscopy; D004108:Dilatation, Pathologic; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging / Q000209:etiology; D007223:Infant; D007231:Infant, Newborn; D007668:Kidney / Q000002:abnormalities / Q000473:pathology / Q000601:surgery; D008297:Male; D014513:Ureter / Q000002:abnormalities*; D014517:Ureteral Obstruction / Q000151:congenital* / Q000473:pathology / Q000601:surgery; D014567:Urography