Zafar Iqbal, and Mazhar Ali Khan. “The Role of Vitamin D in Multidrug-Resistant Tuberculosis: Shedding Light on Potential Therapeutic Advancements”. Pakistan Journal of Chest Medicine 29, no. 1 (March 2, 2023): 01–03. Accessed April 17, 2026. https://www.pjcm.net/index.php/pjcm/article/view/786.