LEÓN, G. . La pandemia que no vimos venir : The pandemic that we didn´t see coming. ARS MEDICA Revista de Ciencias Médicas, [S. l.], v. 45, n. 1, p. 3–4, 2020. DOI: 10.11565/arsmed.v45i1.1668. Disponível em: https://arsmedica.cl/index.php/MED/article/view/1668. Acesso em: 15 may. 2021.