Rehma, Safia, Naveed Sharif, and Samiyah Rahman. 2020. “FREQUENCY OF VITAMIN D DEFICIENCY AND HYPOCALCEMIA IN PATIENTS PRESENTED WITH LOW BACK PAIN IN TERTIARY CARE HOSPITAL KHYBER PAKHTUNKHWA”. Journal of Medical Sciences 28 (1):42-45. https://jmedsci.com/index.php/Jmedsci/article/view/882.