1. Essentials of Paediatric Urology;Thomas,2008
2. Campbell's textbook of urology,1998
3. Anomalies of ureter;Schussel,1998
4. The duplex kidney and related abnormalities;Hartman;Clin Radiol,1969
5. Vesicoureteral reflux and ureteral duplication in children;Fehrenbaker;J Urol,1972