Landoni, G.; Zangrillo, A.; Romero García, C. S.; Faustini, C.; Di Piazza, M.; Conte, F.; Gattarello, S.; Kuzovlev , A. .; Likhvantsev , V. .; Puglisi, R. Nations With High Smoking Rate Have Low SARS-CoV-2 Infection and Low COVID-19 Mortality Rate. Acta Biomed 2020, 91 (4), e2020168. https://doi.org/10.23750/abm.v91i4.10721.