E.R. Ragozina - Post-graduate Student, Department of normal and pathological physiology, Khanty-Mansiysk State Medical Academy, Rhanty-Mansiysk E-mail: elinka1000@yandex.ru I.V. Radysh - Dr. Sc. (Med.), Professor, Academician REA, Head of the Department of Nursing Management Activities, Russian Peoples' Friendship University, Moscow E-mail: iradysh@mail.ru O.N. Ragozin - Dr. Sc. (Med.), Professor, Department of the Hospital Therapy Khanty-Mansiysk State Medical Academy, Khanty-Mansiysk E-mail: oragozin@mail.ru