ALTIPARMAK, Emin, et al. “A Rare Post-Cholecystectomy Complication; Choledocho-Pancreatic Fistula”. Turkish Journal of Gastroenterology, vol. 12, no. 1, Jan. 2001, pp. 72-74, https://www.turkjgastroenterol.org/index.php/tjg/article/view/1124.