Lorenzetti, R., M. Gruppo, and G. Piatto, et al. “Chronic Timing and Pharmacological Support in the Surgical Treatment of Multiple Perianal Fistulas in Crohn’s Disease”. Acta Biomedica Atenei Parmensis 82, no. 3 (February 1, 2012): 254–258. Accessed July 27, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1737.