Undernutrition as a major risk factor for death among older Brazilian adults in the community-dwelling setting: SABE survey - Ferreira, Luciana Silva; Amaral, Teresa Freitas do; Marucci, Maria de Fátima Nunes; Nascimento, Luiz Fernando Costa; Lebrão, Maria Lúcia; Duarte, Yeda Aparecida de Oliveira (Nutrition, 2011)