Marzouk, Ines, Makram Moussa, Lotfi Saadallah, Sami Bouchoucha, and Lotfi Hendaoui. “Spontaneous Uretero-Sigmoid Fistula Secondary to Calculus”. Canadian Urological Association Journal 10, no. 11-12 (November 10, 2016): E401–3. Accessed March 28, 2024. https://cuaj.ca/index.php/journal/article/view/3402.