Marzouk, I., Moussa, M., Saadallah, L., Bouchoucha, S. and Hendaoui, L. 2016. Spontaneous uretero-sigmoid fistula secondary to calculus. Canadian Urological Association Journal. 10, 11-12 (Nov. 2016), E401–3. DOI:https://doi.org/10.5489/cuaj.3402.