Kamble, Ajonish, and Manish 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 6, no. 5 (April 29, 2019): 1654–1658. Accessed November 7, 2025. https://www.ijsurgery.com/index.php/isj/article/view/4029.