P. I. Melnichenko
First MSMU of I.M. Sechenov
Russian Federation

MD, professor, the head of chair of the general hygiene

N. A. Ermakova
First MSMU of I.M. Sechenov
Russian Federation

Nina Anatolievna Ermakova, senior lecturer of chair of the general hygiene

2-2 B. Pirogovskaya str., Moscow, 119435

tel.: 8 (499) 248-51-55

S. A. Mishina
First MSMU of I.M. Sechenov
Russian Federation

PhD, assistant professor of chair of the general hygiene

V. A. Frolova
First MSMU of I.M. Sechenov
Russian Federation

the 4-th year student of medical-prophylactic faculty

A. Sorokova
First MSMU of I.M. Sechenov
Russian Federation

the 4-th year student of medical-prophylactic faculty