Lopes, F. das C.; Machado Lopes, T. F.; Ferreira de Souza, M. R.; de Souza, W. G.; Clemente, J. de A.; de Melo, M. A. G.; Silva, W. S. L.; Silva, D. R. Loneliness and the Feeling of Abandonment, Related to Age, As Factors of Risk to Life. ijaers 2021, 8 (4).