Choudhary, A. K., V. Dhangar, A. P. Vakil, and A. Jain. “To Study Role of Vitamin D in Patient of Systemic Hypertension: To Study Role of Vitamin D in Patient of Systemic Hypertension”. National Journal of Integrated Research in Medicine, vol. 9, no. 1, Feb. 2018, pp. 117-20, http://nicpd.ac.in/ojs-/index.php/njirm/article/view/1865.