Ejaz, Sonia, Khalid Abbas, Sara Rahman, Muhammad Tayyeb, Suliman Shah, Mazhar Khalil, and Sikandar Zahoor. “Validation of Pre-Operative BOEY’s Score for Post-Operative Outcomes of Duodenal Ulcer Perforation: A Study at a Tertiary Care Hospital in Khyber Pukhtunkhwa”. Indus Journal of Bioscience Research 3, no. 6 (June 20, 2025): 248–251. Accessed April 9, 2026. https://induspublishers.com/index.php/IJBR/article/view/1647.