DASARATHAN, R.; VELAYUDHAM, R.; KRISHNAN, H.; S., S. The vitamin B12 levels in type 2 diabetes mellitus patients on metformin and not on metformin. International Journal of Advances in Medicine, [S. l.], v. 8, n. 2, p. 165–170, 2021. DOI: 10.18203/2349-3933.ijam20210270. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/2785. Acesso em: 29 apr. 2025.