Levitsky, A., A. Markov, T. Pupin, I. Selivanskaya, and A. Lapinskaya. “Therapeutic and Preventive Effect of Feed Additives on the State of Periodonts of Rats With Experimental Dysbiosis”. Journal of Education, Health and Sport, vol. 11, no. 11, Nov. 2021, pp. 194-00, doi:10.12775/JEHS.2021.11.11.018.