Mishina, M. M., A. N. Burov, V. A. Vekshin, and E. R. Grabovetskaya. “Antibacterial Effect of Nisin in Vitro”. Journal of Education, Health and Sport, vol. 10, no. 12, Dec. 2020, pp. 332-8, doi:10.12775/JEHS.2020.10.12.032.