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