RT - journal article
SR - Electronic
T1 - 
SP - 2021-01-01
DO - 10.24110/0031-403X-2021-100-1-244-248
A1 - , 
A1 - , 
A1 - , 
A1 - , 
YR - 2021
UL - https://covid19.neicon.ru/publication/6896
AB -