OLEKSHIJ, P. Dynamics of changes in nonspecific resistance of guinea pigs under conditions of formation of experimental periodontitis and immobilization stress. Journal of Education, Health and Sport. Online. 10 November 2021. Vol. 11, no. 11, pp. 67-72. [Accessed 16 June 2026]. DOI 10.12775/JEHS.2021.11.11.005.