RT - journal article SR - Electronic T1 - SP - 2021-04-27 DO - 10.21518/2079-701X-2020-17-75-80 A1 - , A1 - , A1 - , A1 - , A1 - , A1 - , A1 - , YR - 2021 UL - https://covid19.neicon.ru/publication/2486 AB -