Mahmud, T., A. Hafeez, and M. Saqib. “Rapid Improvement of Opaque Hemithorax Endobronchial Tumor Debulking Using Electrocautery, Laser and Argon Plasma Coagulation”. Pakistan Journal of Chest Medicine, vol. 22, no. 3, Jan. 2017, pp. 121-6, https://pjcm.net/index.php/pjcm/article/view/411.