Rahman, T, S Khalequezzaman, S Ahsan, J Alam, and MK Sarker. “A Case Report of Congenital High Airway Obstruction Syndrome (CHAOS) Caused by Complete Laryngeal Obstruction”. Pulse 7, no. 1 (May 7, 2015): 38–41. Accessed April 19, 2024. https://www.banglajol.info/index.php/PULSE/article/view/23248.