Muhammad Alam, Rizmi Tahir, Siddique Ahmad, Sheema Amin, Amir Zareen, Ali Gohar Khan. “Frequency of Helicobacter Pylori (H. Pylori) Among Patients Presenting With Duodenal Perforation”. Pakistan Journal of Medical & Health Sciences 17, no. 03 (March 29, 2023): 142. Accessed June 4, 2026. https://pjmhsonline.com/pjmhs/article/view/4311.