Barman, N., D. Ghosh, M. Q. Rahman, M. N. Uddin, S. Ahmed, D. Paul, T. Sultana, A. N. Ahmed, and M. A. Haque. “Assessment of Risk Factors of Multidrug Resistant Tuberculosis With Emphasis on Serum Zinc”. Bangladesh Medical Journal, vol. 43, no. 1, Dec. 2014, pp. 3-8, doi:10.3329/bmj.v43i1.21368.