1. Renal pelvis and ureter;Murnaghan,1974
2. Congenital ureteral strictures;Allen;J. Urol.,1970
3. Ureteral structure and ultrastructure, Part I. The normal human ureter;Hanna;J. Urol.,1976
4. The function of the ureter and renal pelvics;Kiil,1957
5. Congenital anomalies of the kidney, ureter and bladder;Waterhouse,1971