1. Emerson E, Hatton C: Health Inequalities and People with Intellectual Disabilities. 2014, Cambridge: Cambridge University Press
2. Einfeld S, Emerson E: Intellectual disability. Rutter's Child and Adolescent Psychiatry. Edited by: Rutter M, Bishop D, Pine D, Scott S, Stevenson J, Taylor E, Thapar A. 2008, Oxford: Blackwell, 5
3. Maulik PK, Mascarenhas MN, Mathers CD, Dua T, Saxena S: Prevalence of intellectual disability: A meta-analysis of population-based studies. Res Dev Disabil. 2011, 32: 419-436. 10.1016/j.ridd.2010.12.018.
4. Hatton C, Emerson E, Glover G, Robertson J, Baines S, Christie A: People with Learning Disabilities in England 2013. 2014, London: Public Health England
5. Krahn G, Fox MH: Health disparities of adults with intellectual disabilities: What do we know? What do we do?. J Appl Res Intellect Disabil. 2014, 27: 431-446.