1. Ureteropelvic junction;Kelalis,1976
2. The pathophysiology of urinary obstruction;Hinman,1970
3. Ureteropelvicjunction obstruction in the adult;Chahlaoui;J. Canad. Ass. Radiol.,1977
4. Congenital anomalies of the kidney, ureter, and bladder;Waterhouse,1972
5. Stenosis of the ureteropelvicjuncture: congenital and acquired;Jewett;J. Urol.,1940