Signorelli, C.; Odone, A.; Gianfredi, V.; Bossi, E.; Bucci, D.; Oradini-Alacreu, A.; Frascella, B.; Capraro, M.; Chiappa, F.; Blandi, L.; Ciceri, F. COVID-19 Mortality Rate in Nine High-Income Metropolitan Regions . Acta Biomed 2020, 91 (9-S), 7-18. https://doi.org/10.23750/abm.v91i9-S.10134.