Relationship between family functionality and the quality of life of the elderly - Souza Júnior, Edison Vitório de; Viana, Eduarda Raquel; Cruz, Diego Pires; Silva, Cristiane dos Santos; Rosa, Randson Souza; Siqueira, Lais Reis; Sawada, Namie Okino (Revista Brasileira de Enfermagem, 2022)