Ultrasound in the diagnosis of hydronephrosis in infants and children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis*; D007223:Infant; D007231:Infant, Newborn; D014463:Ultrasonography; D014567:Urography