RT - journal article SR - Electronic T1 - SP - 2021-04-06 DO - 10.22328/2413-5747-2021-7-1-69-77 A1 - , A1 - , A1 - , A1 - , A1 - , A1 - , A1 - , YR - 2021 UL - https://covid19.neicon.ru/publication/7155 AB -