Bora, N., Shriram, V., Asirvatham, A.R. and Mahadevan, S. 2023. Vitamin B12 Deficiency in Type 2 Diabetes Patients on Metformin: A Cross-sectional Survey from South India. The Physician. 8, 3 (Dec. 2023), 1-10. DOI:https://doi.org/10.38192/1.8.3.4.