Chatha, S.S., Butt, M.Q. and Ghumman, A.Q. (2014) “GALL STONE ILEUS: A RARE CAUSE OF SMALL BOWEL OBSTRUCTION: Gall Stone Ileus”, Pakistan Armed Forces Medical Journal, 64(4), pp. 639–41. Available at: https://www.pafmj.org/PAFMJ/article/view/2044 (Accessed: 11 June 2025).