Malla, D., Bajracharya, M., Karki, B., Rajouria, A. and Shrestha, P. 2021. Prevalence of Vitamin B12 Deficiency In Patients With Type II Diabetes Mellitus On Metformin. Journal of Diabetes and Endocrinology Association of Nepal. 5, 1 (Aug. 2021), 39–43. DOI:https://doi.org/10.3126/jdean.v5i1.38916.