Mathur, P. N., J. L. Kumawat, C. P. Joshi, and Suman Parihar. “Retrospective Study of Perforated Peptic Ulcer: A Surgical Emergency”. International Surgery Journal 4, no. 1 (December 13, 2016): 19–23. Accessed February 20, 2026. https://www.ijsurgery.com/index.php/isj/article/view/542.