N. Snigir, V. Rudichenko, V. Kryvets, and L. Podrez, “Change of the Pattern of the Demographic Characteristics of the Patients with Endocarditis: Clinical Case of Infectious Endocarditis in Man with Injectible Drug Dependence, Complicated with Pneumonia and Peripheral Necroses of Feet, Arms, Nose (Own Clinical Observations and Experience of Education in State and English Language)”, FMEP, no. 2-3, pp. 74–79, Jul. 2021.