Franssen, Liselotte, Koen Kaïret, and Nicolien van der Poel. “Congenital Nasal Pyriform Aperture Stenosis in a Three-Week Old Girl: A Case Report and Discussion of Current Treatment Strategies”. Belgian Journal of Paediatrics 24, no. 4 (January 20, 2023): 285–286. Accessed April 15, 2026. https://belgjpaediatrics.com/index.php/bjp/article/view/52.