RT - journal article
SR - Electronic
T1 - 
SP - 2021-03-01
DO - 10.32687/0869-866X-2021-29-2-220-226
A1 - , 
A1 - , 
A1 - , 
A1 - , 
YR - 2021
UL - https://covid19.neicon.ru/publication/5239
AB -