nawaz, rukhsana, R. . Amin, S. . Gul, and R. . Khanani. “Association of Hypovitaminosis D and Hypocalcemia With Neuropsychiatric Disorders”. Journal of the Dow University of Health Sciences (JDUHS), vol. 8, no. 3, Dec. 2014, pp. 126-33, https://jduhs.com/index.php/jduhs/article/view/1442.