A.A. Tinkov - Post-graduate Student, Department of Biochemistry, Orenburg State Medical Academy, Orenburg. E-mail: tinkov.a.a@gmail.com
E.V. Popova - Ph.D. (Med.), Associate Professor, Department of Biochemistry, Orenburg State Medical Academy, Orenburg. E-mail: pmvug@inbox.ru
A.A. Nikonorov - Dr.Sc. (Med.), Professor, Head of Department of Biochemistry, Orenburg State Medical Academy, Orenburg, E-mail: nikonorov_all@mail.ru