O. A. Belova - Ph.D. (Med.), Associate Professor, Chair of Biology and Methods of Teaching, S.A. Esenin Ryazan State University
N. A. Plotnikova - Dr.Sc. (Med.), Professor, Head of Chair of Pathology with Pathophysiology Course, N.P. Ogarev Mordovia State University (Saransk)
O.A. Belova Ph.D. (Med.), Associate Professor, Chair of Biology and Methods of Teaching, Ryazan State University named after S.A. Esenin
O.A. Belova - Ph.D. (Med.), Associate Professor, Chair of Biology and Methods of Teaching, Ryazan State University S.A. Esenin named
E-mail: belolga60@gmail.com