Rossi, D., Croci, R., Affanni, P., Odone, A., & Signorelli, C. (2020). Influenza vaccination coverage in Lombardy Region: a twenty-year trend analysis (1999-2019). Acta Biomedica Atenei Parmensis, 91(3-S), 141-145. https://doi.org/10.23750/abm.v91i3-S.9455