https://www.esrb.europa.eu/pub/pdf/wp/esrbwp21.en.pdf
https://www.esri.ie/system/files/publications/QEC2022WIN_0.pdf
http://norden.diva-portal.org/smash/get/diva2:1095959/FULLTEXT02.pdf
https://www.nuffieldtrust.org.uk/resource/getting-a-brexit-deal-that-works-for-the-nhs