LANDONI, Giovanni et al. Nations with high smoking rate have low SARS-CoV-2 infection and low COVID-19 mortality rate. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 91, n. 4, p. e2020168, 2020. DOI: 10.23750/abm.v91i4.10721. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/10721.. Acesso em: 17 jul. 2024.