Khan AS, Ullah R, Iqbal Z, Naz S. Frequency of secondary Multidrug Resistance Pulmonary Tuberculosis in Category-II Failure Patients. Pak J Chest Med [Internet]. 2018May18 [cited 2026Jan.16];23(4):139-43. Available from: https://pjcm.net/index.php/pjcm/article/view/483