KANNA S., S. .; RAO GOPISETTY, S. .; NAGA SIRI, K. .; PRAKASH, N. .; A. P., G. K. . Metformin Causes Vitamin B12 Deficiency. Journal of Coastal Life Medicine, [S. l.], v. 11, n. 1, p. 239–243, 2023. Disponível em: https://www.jclmm.com/index.php/journal/article/view/317. Acesso em: 20 jun. 2024.