Ferreira Agreli, B., Aparecida Dias, F., dos Santos Ferreira, P. C., Gomes, N. C. and dos Santos Tavares, D. M. (2017) “Functional disability and morbidities among the elderly people, according to socio-demographic conditions and indicative of depression”, Investigación y Educación en Enfermería, 35(1). doi: 10.17533/udea.iee.v35n1a06.