Yasin, M., Mahmood, N., Naqvi, S.A.S., Khan, H.N., Suleman, A., Sadia, H. and Jan, F. 2020. Risk Factors for Multidrug Resistant Tuberculosis among patients with pulmonary tuberculosis at Tertiary care hospital. Pakistan Journal of Chest Medicine. 25, 4 (Jul. 2020), 151–155.