References
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Lyketsos, C.G., Lopez, O., Jones, B., Fitzpatrick, A.L., Breitner, J. & DeKosky, S. 2002. Prevalence of Neuropsychiatric Symptoms in Dementia and Mild Cognitive Impairment: Results From the Cardiovascular Health Study. JAMA, 288, 1475-1483. September news report