PUJOL, Flor H. COVID-19: de la Pandemia a las Vacunas. Medicina Interna Venezuela, [S. l.], v. 36, n. 4, p. 153–154, 2021. Disponível em: https://saber.ucv.ve/ojs/index.php/rev_svmi/article/view/21297. Acesso em: 14 feb. 2026.