https://blogs.sussex.ac.uk/uktpo/2017/06/12/animal-welfare-and-post-brexit-trade/
https://static1.squarespace.com/static/56eddde762cd9413e151ac92/t/59752c052994ca0d03c92a8a/1500851205949/Chlorinated+Chicken.pdf
https://www.rand.org/pubs/research_reports/RR2200.html
http://cdn.budgetresponsibility.org.uk/July_2017_Fiscal_risks.pdf