Kamble, A., and M. Swarnkar. “A Study of the Prevalence and Severity of Vitamin D Deficiency in Patient With Diabetic Foot and Its Association With Vascular Calcification and Effect on Healing”. International Surgery Journal, vol. 6, no. 5, Apr. 2019, pp. 1654-8, doi:10.18203/2349-2902.isj20191886.