Rapoport, Daniel, Alison Ross, Vic Goshko, and Iain McAuley. “Urachal-Sigmoid Fistula Associated With Diverticular Disease”. Canadian Urological Association Journal 1, no. 1 (December 10, 2012). Accessed May 5, 2026. https://cuaj.ca/index.php/journal/article/view/40.