NGUYỄN, Thanh Thủy; LÊ, Văn Chi; LÂM, Văn Hoàng. METFORMIN AND VITAMIN B12 DEFICIENCY. Vietnam Medical Journal, [S. l.], v. 556, n. 1, 2025. DOI: 10.51298/vmj.v556i1.16261. Disponível em: https://tapchiyhocvietnam.vn/index.php/vmj/article/view/16261. Acesso em: 7 sep. 2026.