Awais, M. ., M. A. K. . Afridi, F. . Ullah, W. . Ahmad, A. . Hayat, N. . Ullah, and Salma. “Predictors of Unfavorable Treatment Outcome in Patients With Drug-Resistant Tuberculosis in a Tertiary Care Hospital; A Study from Khyber Pakhtunkhwa”. Pakistan Journal of Chest Medicine, vol. 27, no. 3, Sept. 2021, pp. 152-8, http://www.pjcm.net/index.php/pjcm/article/view/693.