RT - journal article SR - Electronic T1 - SP - 2021-01-01 DO - 10.21569/2222-7415-2020-10-4-21-35 A1 - , A1 - , A1 - , A1 - , A1 - , A1 - , YR - 2021 UL - https://covid19.neicon.ru/publication/6547 AB -