Javaid, A., Awan, S. R., Syed, Z. A., Iqbal, Z. H., Akram, C. M., Shah, K., Shaheen, Z., Khan, S. U., Hasan, R. and Zafar, A. (2011) “Primary Drug Resistance to Antituberculous drugs in Punjab Pakistan”, Pakistan Journal of Chest Medicine, 17(1). Available at: https://pjcm.net/index.php/pjcm/article/view/133 (Accessed: 27March2026).