1. The UCL–Lancet Commission on Migration and Health. The UCL–Lancet Commission on Migration and Health: the health of a world on the move. Lancet. 2018;392(10164):2606–54. https://doi.org/10.1016/S0140-6736(18)32114-7.
2. Office for National Statistics. International Migration, England and Wales: Census 2021. International migration, England and Wales. 2 November 2022. Available from https://www.ons.gov.uk/peoplepopulationandcommunity/populationandmigration/internationalmigration/bulletins/internationalmigrationenglandandwales/census2021 [Accessed 22 Jan 2023].
3. Platform for International Cooperation on Undocumented Migrants. 2007. Access to Health Care for Undocumented Migrants in Europe. Available from http://picum.org/Documents/Publi/2007/Access_to_Health_Care_for_Undocumented_Migrants_in_Europe.pdf. [Accessed 22 Jan 2023].
4. World Health Organization. 2021. Universal Health Coverage (UHC). World Health Organization. Available from https://www.who.int/news-room/fact-sheets/detail/universal-health-coverage-(uhc) [[Accessed 22 Jan 2023].
5. Department of Health & Social Care. The NHS Constitution for England. Available from https://www.gov.uk/government/publications/the-nhs-constitution-for-england/the-nhs-constitution-for-england [Accessed 22 Jan 2023].