Rizwan Rasul Khan, Khalid Mehmood Yahya, and Ali Saqib. “FREQUENCY OF VITAMIN D DEFICIENCY IN PATIENTS WITH FATIGUE. ”. Journal of University Medical & Dental College 5, no. 1 (June 3, 2014): 26-31. Accessed November 23, 2025. http://www.jumdc.com/index.php/jumdc/article/view/268.