Brito, Tábatta Renata Pereira de, et al. “The Elderly With Cognitive Alterations in the Context of Poverty: A Study of the Social Support Network”. Revista Da Escola De Enfermagem Da USP, vol. 46, no. 4, Aug. 2012, pp. 906-13, https://doi.org/10.1590/S0080-62342012000400018.