Landoni G, Zangrillo A, Romero García CS, Faustini C, Di Piazza M, Conte F, et al. Nations with high smoking rate have low SARS-CoV-2 infection and low COVID-19 mortality rate. Acta Biomed [Internet]. 2020 Nov. 10 [cited 2024 Jul. 17];91(4):e2020168. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/10721