Fagundes, S. D., M. T. Silva, M. F. R. S. Thees, and M. G. Pereira. “Prevalence of Dementia Among Elderly Brazilians: A Systematic Review”. São Paulo Medical Journal, vol. 129, no. 1, Jan. 2011, pp. 46-50, https://periodicosapm.emnuvens.com.br/spmj/article/view/1549.