Boyarchuk, Oksana. “The Correlation Between Cytokine Concentrations and IgG IgM Antibodies to Viruses of the Herpesviridae Family in Children With Rheumatic Heart Disease”. Paediatria Croatica, vol. 65, no. 2, June 2021, pp. 53-58, https://doi.org/10.13112/PC.2021.9.