Azevedo, Catia, Filipa Moreira, Fernando M. Mar, Guilherme Rios, Carla Ribeiro, Sérgio Vilarinho, and Luís Dias. 2022. “Simultaneous Bilateral Choanal and Nasopharyngeal Stenosis in an Adult Patient: Case Report and Treatment Approach”. International Journal of Otorhinolaryngology and Head and Neck Surgery 9 (1):75-79. https://doi.org/10.18203/issn.2454-5929.ijohns20223262.