1. The roentgen diagnosis of ureterocele in children;Thornberry;AJR,1963
2. Pediatric x-ray diagnosis;Caffey,1967
3. Radiographic atlas of the genitourinary system;Currarino,1966
4. Ectopic ureterocle;Berdow;Radiol Clin North Am,1968
5. Ureterocele in children with emphasis on the frequency of cetopic ureterocele;Dorst;Radiol,1960