https://www.nmc.org.uk/globalassets/sitedocuments/other-publications/nmc-register-2013-2017.pdf
https://committees.parliament.uk/publications/30492/documents/175947/default/
https://read.oecd-ilibrary.org/social-issues-migration-health/international-migration-outlook-2018_migr_outlook-2018-en#page1
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/421/421.pdf