Alexandrovich , Kityan Sergey. “Modern Comprehensive Characterization of the Current Epidemiological Situation With Regard to the Incidence and Prevalence of Chronic Heart Failure (Literature Review)”. International Journal of Alternative and Contemporary Therapy 2, no. 4 (April 27, 2024): 62–65. Accessed July 6, 2024. http://medicaljournals.eu/index.php/IJACT/article/view/254.