Franchini, Antonia Francesca, et al. “COVID 19 and Spanish Flu Pandemics: All It Changes, Nothing Changes: COVID 19 Epidemic”.
Acta Biomedica Atenei Parmensis
, vol. 91, no. 2, May 2020, pp. 245-50,
https://doi.org/10.23750/abm.v91i2.9625
.