1. Cilento, B.G., Retik, A.B., Peters, C.A.: Urachal abnormalities: experience with 45 cases over 25 years. Presented at meeting of American Academy of Pediatrics, Urology Section, Dallas, Texas, October 23 1994, abstract 93
2. Urachal remnants in adults;Berman;Urology,1988
3. Congenital patent urachus;Nix;J Urol,1958
4. Laparoscopic excision of a urachal cyst;Siegel;J Urol,1994
5. Laparoscopic excision of a urachal cyst;Stone;Urology,1995