LARKINA, S. A., MAKARENKO, O. A. and SELETSKAYA, A. V. Comparison of markers of skin inflammation after injections of polylactic acid and threads based on polylactic acid. Journal of Education, Health and Sport. Online. 30 November 2020. Vol. 10, no. 11, pp. 245-253. [Accessed 12 April 2025]. DOI 10.12775/JEHS.2020.10.11.024.