Ghulam Rasool Memon, Gul Maria, Anila Faisal Memon, and Abdul Rahim Siyal4. “Analysis of Helicobacter Pylori Gastritis According to Sydney Classification.”. Journal of Muhammad Medical College, Vol. 10, no. 2, May 2020, pp. 42-45, doi:10.62118/jmmc.v10i2.106.