Buriak, R. “Analysis of the Risk Factors of Hospital Mortality in Patients With Dilatational Cardiomyopathy Complicated by Secondary Insufficiency of Atrioventricularvalves”. Ukrainian Journal of Cardiovascular Surgery, no. 3 (32), Sept. 2018, pp. 28-31, doi:10.30702/ujcvs/18.32/06(028-031).