Javaid, A., Khan, M.A., Afridi, M.Z., Khan, A.R. and Ghafoor, A. 2020. Prevalence and pattern of Multidrug resistant tuberculosis among retreatment (Category II) patients of pulmonary tuberculosis in Khyber Pakhtunkhwa, Pakistan. Pakistan Journal of Chest Medicine. 26, 3 (Sep. 2020), 121–127.