6Li S,Yan F,Li G,Chen C. Is the dementiarate increasing in Bei- jing. Prevalence and incidence of dementia 10 yem's later in an urban elderly population []]. Acta Psychiatr Scand,2007,115:73- 79.
5Jorm AF, Korten AE, Henderson AS. The prevalence of dementia :a quantitative integration of the literature [J]. Acta Psychiatr Scand,1987, 76(5): 465-479.
6Rockwood K Stadnyk K. The prevalence of dementia in the elderly: a review[J]. Can J Psychiatry, 1994, 39(5): 253-257.
7Roman G C, Tatemichi T K, Erkinjuntti T, et al. Vascular dementia:diagnostic criteria for research studies. Report of the NINDS-AIREN International Workshop [J]. Neurology, 1993,43 (2) : 250-260.
8Hughes C P, Berg L, Danzigar W L, et al. A new clinical scale for the staging of dementia [J]. Br J Psychiatry, 1982,140:566-572.
9Ward A, Caro J J, Getsios D, et al. Assessment of health economics in Alzheimer's disease (AHEAD): treatment with galantamine in the UK [J]. Int J Geriatr psychiatry, 2003,18(8): 740-747.
10Howard F H, Hill J. The costs of vascular dementia: a comparison with Alzheimer's disease [ J ]. J Neurol Sci, 2002,12 (15) : 35-39.
