RAFIQUE , Z, F IFTIKHAR, AW NIAZI, M MEHBOOB, AR BHATTI, and L NAZ. 2024. “H PYLORI INFECTION AND ASSOCIATED VITAMIN B12 DEFICIENCY”. Biological and Clinical Sciences Research Journal 2024 (1):1370. https://doi.org/10.54112/bcsrj.v2024i1.1370.