1. Ureteral reflux in duplicated ureters;Ambrose;J Urol,1964
2. Update on ureterocele in children;Caldamone;AUA Update Series,1983
3. Ureterocele: A study of 94 instances in 80 infants and children;Campbell;Surg Gynecol Obstet,1951
4. Anomalies of the ureter;Campbell,1970
5. The ectopic ureterocele: A proposed practical classification based on renal unit jeopardy;Churchill,1985