Lancini, Davide, Francesco Belotti, Marco Bottazzoli, Elena Mercandelli, Enrico Moretti, Roberto Maroldi, and Luigi Rodella. “Ethmoidal Arteries Variability: An Anatomical and Radiological Study”. Italian Journal of Anatomy and Embryology 120, no. 1 (September 30, 2015): 63. Accessed August 24, 2024. https://oajournals.fupress.net/index.php/ijae/article/view/4017.