Combined instruments for the screening of dementia in older people with low education - Bottino, Cássio M. C.; Zevallos-Bustamante, Sonia E.; Hototian, Sérgio R.; Azevedo, Dionisio; Lopes, Marcos A.; Jacob-Filho, Wilson; Litvoc, Julio (Arquivos de Neuro-Psiquiatria, 2009)