title: Changes in renal pelvic size in children after fluid intake demonstrated by ultrasound.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004108:Dilatation, Pathologic / Q000175:diagnosis; D004326:Drinking; D006801:Humans; D006869:Hydronephrosis / Q000503:physiopathology; D007223:Infant; D007231:Infant, Newborn; D007682:Kidney Pelvis / Q000503:physiopathology; D014463:Ultrasonography; D014552:Urinary Tract Infections / Q000209:etiology / Q000503:physiopathology