Bahar Ali, Tahir Iqbal, Qaisar Iqbal, Usman Saeed, Amal Umar, and Raza Ullah. 2023. “Chronic Obstructive Pulmonary Diseases in Post Tuberculosis Patients”. Pakistan Journal of Chest Medicine 29 (1):13-17. http://pjcm.net/index.php/pjcm/article/view/766.