1. Cave S, Willis G . Applying system dynamics and systems thinking methods to the development of robust workforce policies for the health and social care system in England. Int J Appl Syst Stud 2016; 6: 239–257.
2. HM Government. The United Kingdom's exit from and new partnership with the European Union. 2017. Available at
http://www.gov.uk/government/publications
(accessed April 2017).
3. Health Committee. Oral evidence: Brexit and health and social care, HC 640. 2017. Available at
http://data.parliament.uk/writtenevidence/committeeevidence.svc/evidencedocument/health-committee/brexit-and-health-and-social-care/oral/46148.html
(accessed May 2017).
4. General Medical Council. House of Lords debate on 'Implications for the health and social care workforce of the result of the EU referendum'—24 November 2016. Available at
https://www.gmc-uk.org/House_of_Lords_debate_on_Implications_for_the_health_and_social_care_workforce_of_the_result_of_the_EU_referendum__24_November_2016.pdf_68457452.pdf
(accessed December 2017).
5. World Health Organisation Working together for health: The World Health Report 2006. Policy briefs. Geneva: World Health Organisation, 2006. Available at
http://apps.who.int/iris/handle/10665/43471
(accessed March 2017).