Del Rosario- Javellana, Bhea, Lizbeth Jacaban, and James Monje. “Factors Associated With Intubation in Patients With Central Airway Obstruction Caused by Tumors: A Single-Center, Retrospective Cohort Study”. Lung Center of the Philippines Scientific Proceedings 13, no. 1 (November 30, 2025). Accessed May 20, 2026. https://lcpscientificproceedings.com/index.php/splcp/article/view/15597.