Riccò, Matteo, Luigi Vezzosi, Giovanni Gualerzi, Anna Odone, and Carlo Signorelli. “Knowledge, Attitudes, and Practices of Influenza and Pneumococcal Vaccines Among Agricultural Workers: Results of an Italian a Cross-Sectional Study”. Acta Biomedica Atenei Parmensis 90, no. 4 (December 23, 2019): 439–450. Accessed July 14, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/7631.