https://theins.ru/politika/237973
https://www.inopressa.ru/article/23Dec2020/taz/carteblanche.html
https://ru.krymr.com/a/vitaliy-portnikov-navalniy-otravleniye-kreml-putin-nas-tam-net/31015220.html
https://www.radiosvoboda.org/a/news-bellingcat-fsb-inshi-otrujennya/31016003.html
https://www.radiosvoboda.org/a/belanovskyy-navalny-otruyennya-reaktsiya/31014835.html
https://www.rbc.ru/newspaper/2020/12/23/5fe20a529a794712f0a8ae38
https://www.ng.ru/politics/2020-12-23/1_8047_neutralization.html
https://www.vedomosti.ru/opinion/articles/2020/12/22/852045-vodorodnoe-sotrudnichestvo
https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)32644-1/fulltext