Institutionalization/statistics & numerical data
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.
Thomas, Roger, Worrall, Graham, Elgar, Frank, Knight, John 2007. Can they keep going on their own? A four-year randomized trial of functional assessments of community residents. Canadian Journal on Aging/La Revue canadienne du vieillissement. 26 (4) 379-389.