title: Intraoperative definition of ureteropelvic junction obstruction.
mesh_terms: D002648:Child; D006801:Humans; D007223:Infant; D007432:Intraoperative Period; D007682:Kidney Pelvis / Q000601:surgery; D008722:Methods; D014517:Ureteral Obstruction / Q000175:diagnosis* / Q000601:surgery