Sarma, Himangsu, and Ashwinikumar Kudari. “A Study on the Trends and Patterns of Intestinal Obstruction and Surgical Outcome Based on APACHE Score II in a Tertiary Care Centre”. International Surgery Journal 8, no. 3 (February 25, 2021): 856–862. Accessed November 10, 2025. https://www.ijsurgery.com/index.php/isj/article/view/6955.