Mazur, I., R. Vitovsky, and M. Slobodyanyk. 2018. “Prevalence of Parodontopathogenic Microflora in Patients With Valvular Pathology of the Cardiovascular System”. Actual Dentistry, no. 2 (June). Kyiv, Ukraine:24-30. https://doi.org/10.33295/1992-576X-2018-2-24-30.