Syed Muhammad Hamza, S. A. Butt, K. Bhutto, and N. Anwar. “Awareness of Vitamin-D and Its Deficiency Among A-Levels Students of Karachi: A Cross-Sectional Study”. ALTAMASH JOURNAL OF DENTISTRY AND MEDICINE, vol. 3, no. 1, Nov. 2024, pp. 11-16, https://ajdm.altamash.edu.pk/index.php/ojs3/article/view/52.