1. Complete duplication of bladder and urethra: A case report;Esham;J Urol,1980
2. Double bladder and related anomalies: Clinical and embryological aspects and a case report;Abrahamson;Br J Urol,1961
3. Tubular duplication of the hindgut with genitourinary anomalies;Okur;J Pediatric Surg,1992
4. Hoffman AD, Leroy AJ. Uroradiology: Procedures and anatomy. In Kelalis PP, King LR, Belman AB, eds. Clinical pediatric urology. 3rd ed. Philadelphia, PA. Saunders;1992:66-116.
5. Moore KL. The urogenital system. In: Moore KL, eds. The developing human: Clinically oriented embryology. 3rd ed. Philadelphia, PA. Saunders;1982:255-297.