Zafar, Talat, et al. “Role of Empirical Treatment With Vitamin D in Improving Glycemic Control of Type 2 Diabetes Mellitus Patients”. Indus Journal of Bioscience Research, vol. 3, no. 3, Mar. 2025, pp. 835-9, https://doi.org/10.70749/ijbr.v3i3.2433.