Parween, S., Mehboob, S., Sultan, B.A., Irshad, Z., Shaikh, A. and Langhani, S.K. 2020. To Determine the Frequency of H. Pylori Infection and its Association with Lymphoid Follicle Formation in Gastritis. Journal of Liaquat University of Medical & Health Sciences. 19, 03 (Oct. 2020), 181–184.