Castaldi, S., Maffeo, M., Rivieccio, B. A., Zignani, M., Manzi, G. ., Nicolussi, F., Salini, S., Micheletti, A., Gaito, S., & Biganzoli, E. (2020). Monitoring emergency calls and social networks for COVID-19 surveillance. To learn for the future: The outbreak experience of the Lombardia region in Italy. Acta Biomedica Atenei Parmensis, 91(9-S), 29–33. https://doi.org/10.23750/abm.v91i9-S.10038