Savitskiy, I., A. Magdenko, K. Orel, Y. Mizevich, and R. Dvoretsky. “Investigation of Bookal Epithely in Various Pathological States: Review of Literature”. Journal of Education, Health and Sport 7, no. 3 (March 23, 2017): 483–489. Accessed April 14, 2024. https://apcz.umk.pl/JEHS/article/view/4370.