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Nikolsky, Valery I.
Doctor of Sciences in Medicine, Professor, Professor of the Department of Surgery of the Medical Institute, Penza State University,
Penza, Russia
ORCID: https://orcid.org/0000-0002-9927-580X
Nakhratova, Olga V.
Junior Researcher, Laboratory of Epidemiology of Cardiovascular Diseases, Department of Optimization of Medical Care for Cardiovascular Diseases, Research Institute for Complex Problems of Cardiovascular Diseases, Kemerovo, Russia
ORCID: 0000-0002-2778-6926



