1. Elkin M.Obstruction and dilatation of the urinary tract.Radiology of the urinary systemBoston, Mass: Little, Brown, 1980; 127, 738-742.
2. Matilde Nino-Murcia , Friedland GW, DeVries PA.Congenital anomalies of urinary tract.In: Pollack HM, McClennan BL, eds.Clinical urography.2nd ed. Philadelphia, Pa: Saunders, 2000; 804-822.
3. Davidson AJ, Hartman DS, Choyke PL, Wagner BJ.Mural abnormalitiesIn: Davidson’s radiology of the kidney and genitourinary tract. 3rd ed. Philadelphia, Pa: Saunders, 1999; 422-426.
4. Thornbury JR.The roentgen diagnosis of ureterocele in children.Am J Roentgenol Radium Ther Nucl Med1963; 90:15-25.
5. Malek RS, Kelalis PP, Burke EC, Stickler GB.Simple and ectopic ureterocele in infancy and childhood.Surg Gynecol Obstet1972; 134:611-616.