Riccò, Matteo, Luigi Vezzosi, Giovanni Gualerzi, Anna Odone, and Carlo Signorelli. 2019. “Knowledge, Attitudes, and Practices of Influenza and Pneumococcal Vaccines Among Agricultural Workers: Results of an Italian a Cross-Sectional Study”. Acta Bio Medica Atenei Parmensis 90 (4), 439-50. https://doi.org/10.23750/abm.v90i4.7631.