C., Tharun Ganapathy, Jeyakumar S., Manimaran P., and Sidhu Sekhar. “Laparoscopic Management of Cholecystoduodenal Fistula: A Case Report”. International Surgery Journal 5, no. 11 (October 26, 2018): 3744–3746. Accessed October 13, 2025. https://www.ijsurgery.com/index.php/isj/article/view/3312.