1. Ectropia vesicae;Simon;Lancet,1852
2. Cancer du colon sigmoide dix ans apres implantation des ureters d’une vessie extrophiée;Hammer;J. d’urol.,1929
3. Polyps of sigmoid occurring 30 years after bilateral ureterosigmoidostomy for exstrophy of bladder;Dixon;Surgery,1948
4. Adenocarcinoma complicating ureterosigmoidostomy;Ellis;Proc. Roy. Soc. Med.,1962
5. Adenomatous polyp of bowel following ureterocolic anastomosis; case report and review of the literature;Gillman;Brit. J. Urol.,1964