Rahul, A. K. ., Ahmed, M. ., Rahman, H., Ur Rahaman, M. F. ., Rony, K. ., Saha, M. ., & Rahman, S. . (2022). Vitamin B12 Status in Long-Term Metformin Treated Type 2 Diabetes Mellitus Patients. Bangladesh Journal of Medicine, 34(1), 43–48. https://doi.org/10.3329/bjm.v34i1.63426