Rahman, F., Sharmin, S., Kamal, M.M. and Miah, M.R.A. 2014. Drug resistance pattern of M. tuberculosis in category II treatment failure pulmonary tuberculosis patients. Ibrahim Medical College Journal. 7, 1 (Jan. 2014), 9–11. DOI:https://doi.org/10.3329/imcj.v7i1.17741.