Naeem Jan, Atta Muhammad Khan, Muhammad Iltaf. The Frequency of H. Pylori Infection Among Patients Experiencing Digestive Endoscopy a Multi Center Study. Pakistan Journal of Medical & Health Sciences [Internet]. 2023 Mar. 31 [cited 2024 Dec. 22];17(02):428. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/4341