Effects of sexuality on family functionality and quality of life of elderly people: a cross-sectional study - Souza Júnior, Edison Vitório de; Silva Filho, Benedito Fernandes da; Cruz, Diego Pires; Rosa, Randson Souza; Cairo, Gabriel Magalhães; Silva, Cristiane dos Santos; Siqueira, Lais Reis; Sawada, Namie Okino (Revista Cuidarte, 2022)