Hussain, T. ., and T. . Saeed Siddiqui. “Clinical and Biochemical Profile of Nutritional Rickets in Infants: A Study from Peshawar”. Journal of the Dow University of Health Sciences (JDUHS), vol. 12, no. 1, Apr. 2018, pp. 3-6, https://mail.jduhs.com/index.php/jduhs/article/view/1372.