Нoncharenko O. V., Schnеider S. A., and E. K. Tkachenko. “Study of the Effect of the Complex of Active Metabolites of Cholecalciferol With Vikasol on the State of Periodontal Tissues of Rats”. Journal of Education, Health and Sport, vol. 9, no. 1, Jan. 2019, pp. 358-64, https://apcz.umk.pl/JEHS/article/view/6584.