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/2047 (Accessed: 22 May 2024).