Rahman, T., S. Khalequezzaman, S. Ahsan, J. Alam, and M. Sarker. “A Case Report of Congenital High Airway Obstruction Syndrome (CHAOS) Caused by Complete Laryngeal Obstruction”. Pulse, vol. 7, no. 1, May 2015, pp. 38-41, doi:10.3329/pulse.v7i1.23248.