https://www.thelancet.com/action/showPdf?pii=S2214-109X%2825%2900189-5
https://ukandeu.ac.uk/long-read/the-protocol-post-brexit-northern-ireland/?mc_cid=9de7c359e6&mc_eid=815b1928ec
https://www.brookings.edu/articles/getting-china-right-resoluteness-without-overreaction/
https://www.cer.eu/sites/default/files/insight_JS_JP_17.1.23.pdf