Ad.V. Sirusina - Post-graduate Student, Khanty-Mansiysk State Medical Academy. E-mail: oragozin@mail.ru
Ae.V. Sirusina - Post-graduate Student, Khanty-Mansiysk State Medical Academy. E-mail: oragozin@mail.ru
O.N. Ragozin - Dr.Sc. (Med.), Professor, Khanty-Mansiysk State Medical Academy. E-mail: oragozin@mail.ru
I.V. Radysh - Dr.Sc. (Med.), Professor, Academician REA, Russian Peoples Friendship University. E-mail: iradysh@mail.ru