Clement, Peter AR, and Stijn Halewyck. “CT Signs of Pressure Induced Expansion of Paranasal Sinus Structures”. Heighpubs Otolaryngology and Rhinology 1, no. 1 (September 26, 2017): 077–087. Accessed October 3, 2025. https://www.otolaryngrhinojournal.com/hor/article/view/hor-aid1013.