Ijaz, A. ., S. Yousaf, M. Z. . Ali, S. H. . Khan, S. Sabir, H. Asif, M. J. . Anwar, and N.-U.-S. . Khan. “Association Of Vitamin D Status And Diabetes Mellitus”. Journal of Bahria University Medical and Dental College, vol. 2, no. 1, Jan. 2012, pp. 24-28, https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/30.