M. U. Soares, L. A. Facchini, F. B. Nedel, L. S. Wachs, M. Kessler, and E. Thumé, “Social relationships and survival in the older adult cohort”, Rev. Latino-Am. Enferm., vol. 29, p. e3395, Apr. 2021, doi: 10.1590/1518-8345.3844.3395.