Dr. A Ponnambalam, Dr. M Arun and Dr. G. Prabhu 2021. Study on the correlation between Vitamin D and HbA1c in type 2 diabetes mellitus. International Journal of Medical Research and Review. 9, 4 (Aug. 2021), 219-224. DOI:https://doi.org/10.17511/ijmrr.2021.i04.03.