Riccò, Matteo, Luigi Vezzosi, Federica Balzarini, Giovanni Gualerzi, Silvia Ranzieri, Rola Khamisy-Farah, and Nicola Luigi Bragazzi. 2020. “Vaccines Are Underused in Pregnancy: What about Knowledge, Attitudes and Practices of Providers?”. Acta Biomedica Atenei Parmensis 91 (3-S): 55-62. https://doi.org/10.23750/abm.v91i3-S.9442.