Kazmi, S Ali Danish, Ali Asghar Mustansir, Mareeha Sheikh, and Saad Ahmad Ali. “Vitamin D Deficiency in the Population of Karachi, Pakistan; A Cross-Sectional Study”. International Journal of Endorsing Health Science Research 8, no. 3 (September 1, 2020): 139–144. Accessed May 27, 2024. https://aeirc-edu.com/ojs14/index.php/ijehsr/article/view/266.