Bobi Wijaya, Alsen Arlan, and Theodorus. “Predicting Mortality in Gastric Perforation: A Comparative Analysis of Boey Score and Mannheim Peritonitis Index Accuracy in an Indonesian Tertiary Hospital”. Sriwijaya Journal of Surgery 8, no. 1 (May 5, 2025): 840-852. Accessed August 1, 2025. https://www.sriwijayasurgery.com/index.php/sjs/article/view/124.