SHUMYNSKYI, Ievgen V. and KOPCHAK, Andrey V. Relation between paranasal sinuses and surrounding bone tissue. Journal of Education, Health and Sport. Online. 4 December 2020. Vol. 10, no. 12, pp. 22-31. [Accessed 24 November 2024]. DOI 10.12775/JEHS.2020.10.12.002.