Ferrari, Marco, Luca Pianta, Paolo Rondi, Riccardo Nocini, Vittorio Rampinelli, Piero Nicolai, and Barbara Buffoli. “Frontal Sinus Drainage Pathway and Uncinate Process: A Single Morphofunctional Unit With a Complex Anatomy”. Italian Journal of Anatomy and Embryology 120, no. 1 (September 30, 2015): 22. Accessed May 12, 2024. https://oajournals.fupress.net/index.php/ijae/article/view/3976.