Mariano Cantillo, H. J.; Cuello Santana, K. L.; Posso Gutierrez, M. A. .; Marroquín Carrillo, H. A.; López Neira, A. M.; Rivera Triana, D. P. . Clinical Characteristics of Vitamin B12 Deficiency Predictors in Metformin-Treated Type-2 Diabetes Mellitus. Repert. Med. Cir. 2023, 32, 55-60.