1. Lobo A, Launer LJ, Fratiglioni L, et al. Prevalence of dementia and major subtypes in Europe: a collaborative study of population-based cohorts. Neurologic Diseases in the Elderly Research Group. Neurology 2000; 54 (Suppl 5): S4–9.
2. Francesconi P, Roti L, Casotto V, et al. Prevalence of Dementia in Tuscany: results from 4 population-based epidemiological studies. Epidemiol Prev 2006; 30: 237–44.
3. Raschetti R, Maggini M, Vanacore N. Post-marketing studies: the Italian CRONOS project. Int J Geriatr Psychiatry 2003; 18: 962–3.
4. Folstein MF, Folstein SE, McHigh PR. “Mini Mental State”: a practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res 1975; 12: 189–98.
5. Hughes CP, Berg L, Danziger WL, Coben LA, Martin RL. A new clinical scale for the staging of dementia. Psychiatry 1982; 140: 566–72.