Bonilla-Cruz, Drs. Nidia-Johanna, et al. «Health Strategies in Latin America for the Elderly in Relation to COVID-19». Gaceta Médica De Caracas, vol. 128, n.º 2S, diciembre de 2020, pp. S301-S311, http://caelum.ucv.ve/ojs/index.php/rev_gmc/article/view/20668.