Lala, K., Lala, D. and Duggad, S. 2020. Serum vitamin B12 and homocysteine levels in type 2 diabetes patients on metformin. International Journal of Advances in Medicine. 7, 9 (Aug. 2020), 1376–1379. DOI:https://doi.org/10.18203/2349-3933.ijam20203602.