https://www.inopressa.ru/article/16Apr2021/times/british.html
https://www.thetimes.co.uk/article/biden-to-levy-sanctions-on-russia-for-cyberattack-66vglvt7d
https://www.nytimes.com/2021/04/10/world/europe/covid-russia-death.html
https://www.rosbalt.ru/blogs/2021/04/10/1896549.html
https://ru.krymr.com/a/rossiya-navalniy-alyans-vrachey-akciya-medikov/31188979.html
https://www.kommersant.ru/doc/4759760
https://www.eurointegration.com.ua/news/2021/04/2/7121670/
https://www.rbc.ru/newspaper/2021/04/01/60644c979a7947f6bd5fe77d