1. WHO 2011 https://www.nia.nih.gov/research/publication/global-health-and-aging/preface . Accessed 07 Jul 2016.
2. Roderick P, Raleigh V, Hallam L, Mallick N. The need and demand for renal replacement therapy in ethnic minorities in England. J Epidemiol Community Health. 1996;50:334–9.
3. Randhawa G. Renal health and transplantation: a focus on ethnicity. J Ren Care. 2012;38:109–14.
4. Coleman D. Immigration, population and ethnicity: the UK in International Perspective. University of Oxford: Briefing, The Migration Observatory; 2013. http://www.migrationobservatory.ox.ac.uk/sites/files/migobs/Briefing%20-%20Immigration%20Population%20and%20Ethnicity.pdf . Accessed 07 Jul 2016.
5. United Nations Economic and Social Affairs 2013 Inequality Matters. Report on the world social situation 2013 http://www.un.org/esa/socdev/documents/reports/InequalityMatters.pdf . Accessed 07 Jul 2016.