Viral cystitis with transient secondary vesicoureteral reflux.
D002675:Child, Preschool; D003556:Cystitis / Q000150:complications* / Q000473:pathology; D006801:Humans; D008297:Male; D027383:Papillomaviridae / Q000302:isolation & purification; D027382:Polyomaviridae; D014718:Vesico-Ureteral Reflux / Q000209:etiology*; D014777:Virus Diseases / Q000150:complications*