Voiding cystourethrography under anesthesia.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D014522:Urethral Diseases / Q000000981:diagnostic imaging*; D001745:Urinary Bladder Diseases / Q000000981:diagnostic imaging*; D014567:Urography; D014718:Vesico-Ureteral Reflux / Q000175:diagnosis*