Cattaruzza, M.S. et al. 2020. Tobacco smoking and COVID-19 pandemic: old and new issues. A summary of the evidence from the scientific literature. Acta Biomedica Atenei Parmensis. 91, 2 (May 2020), 106–112. DOI:https://doi.org/10.23750/abm.v91i2.9698.