title: The uretero pelvic obstruction in children and an assessment of the anterior transperitoneal approach.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000601:surgery*; D007223:Infant; D007231:Infant, Newborn; D007682:Kidney Pelvis; D008297:Male; D010537:Peritoneum; D011859:Radiography; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000601:surgery*