Rehan B, Ul-Haq MM, Kumar R, Akmal M. Diagnostic Accuracy of Gastroscopy with Narrow Band Imaging for the Diagnosis of Helicobacter Pylori Gastritis : Gastroscopy for the Diagnosis of Helicobacter Pylori Gastritis. PJHS-Lahore [Internet]. 2024 Jan. 31 [cited 2024 Dec. 4];5(01):38-42. Available from: https://mail.thejas.com.pk/index.php/pjhs/article/view/1260