A. Ashfaq and I. Shukr, “GALLSTONE ILEUS: A RARE COMPLICATION OF GALLSTONES, AND CAUSE OF INTESTINAL OBSTRUCTION”, Pak Armed Forces Med J, vol. 55, no. 1, pp. 78–79, Oct. 2018, Accessed: May 18, 2025. [Online]. Available: https://www.pafmj.org/PAFMJ/article/view/1192