Rehan, Bushra, Muhammad Mansoor Ul-Haq, Rajesha Kumar, and Mehreen Akmal. “Diagnostic Accuracy of Gastroscopy With Narrow Band Imaging for the Diagnosis of Helicobacter Pylori Gastritis : Gastroscopy for the Diagnosis of Helicobacter Pylori Gastritis”. Pakistan Journal of Health Sciences 5, no. 01 (January 31, 2024): 38–42. Accessed December 22, 2024. https://thejas.com.pk/index.php/pjhs/article/view/1260.