Implications of self-reported fragility on the quality of life of older adults: a cross-sectional study - Souza Júnior, Edison Vitório de; Cruz, Diego Pires; Silva, Cristiane dos Santos; Rosa, Randson Souza; Siqueira, Lais Reis; Sawada, Namie Okino (Revista da Escola de Enfermagem da USP, 2021)