https://www.bmj.com/content/359/bmj.j4530
https://eur-lex.europa.eu/legal-content/FR/TXT/PDF/?uri=CELEX:32019R0452&from=EN
https://www.socialeurope.eu/the-rule-of-law-a-simple-phrase-with-exacting-demands
https://ec.europa.eu/info/sites/info/files/2019-efb-annual-report_en.pdf