Variations in reflux related to bladder volume and body surface area.
D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D007674:Kidney Diseases; D001743:Urinary Bladder / Q000503:physiopathology; D001748:Urinary Bladder Neck Obstruction; D014567:Urography; D014718:Vesico-Ureteral Reflux