Prevalence of cognitive and functional impairment in a community sample in Ribeirão Preto, Brazil - Lopes, Marcos A.; Hototian, Sergio R.; Bustamante, Sonia E. Z.; Azevedo, Dionísio; Tatsch, Mariana; Bazzarella, Mário C.; Litvoc, Julio; Bottino, Cássio M. C. (International Journal of Geriatric Psychiatry, 2007)