title: Intrarenal vascular obstruction of the superior infundibulum in children.
mesh_terms: D001158:Arteries; D002675:Child, Preschool; D004106:Dilatation; D005260:Female; D006801:Humans; D007682:Kidney Pelvis / Q000601:surgery; D008297:Male; D010146:Pain; D011312:Pressure; D014517:Ureteral Obstruction / Q000209:etiology* / Q000601:surgery; D014567:Urography