Aging/*psychology
        Peel, Nancye May, Chan, Kah Wai, Hubbard, Ruth Eleanor 2015. Outcomes of cognitively impaired older people in Transition Care. Australasian journal on ageing.  34 (1) 53-7.  
          Langlois, L, Martin, Lynn 2008. Relationship between diagnostic criteria, depressive equivalents and diagnosis of depression among older adults with intellectual disability. Journal of Intellectual Disability Research.  52 (11) 896-904.