Iqbal, H., K. Z. Mamun, S. M. Shamsuzzaman, M. N. Nahar, and S. M. M. Kamal. “XDR and MDR Tuberculosis from a Tertiary Chest Hospital in Bangladesh”. Bangladesh Journal of Medical Microbiology, vol. 7, no. 2, July 2013, pp. 17-20, doi:10.3329/bjmm.v7i2.19329.