Kumar, Praveen, Saurabh Kumar, Ram Kumar Verma, Akshat Agarwal, and Rashmi Kumari. “Laparoscopic Versus Open Repair of Duodenal Perforation: A Comparative Study in Tertiary Care Hospital in Uttarakhand,India”. International Surgery Journal 3, no. 4 (December 10, 2016): 1975–1978. Accessed October 13, 2025. https://www.ijsurgery.com/index.php/isj/article/view/134.