Ribeiro, S., Baptista, S. V., Amaro, C., de Sousa, V., & Barros, J. E. (2010). Mixed laryngopyocele presenting as acute airway obstruction: case report. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery, 48(3), 139–142. https://doi.org/10.34631/sporl.225