Gori, D. et al. 2019. Vaccine Hesitancy and Mandatory Immunizations in Emilia-Romagna Region: the case of MMR vaccine. Acta Biomedica Atenei Parmensis. 90, 3 (Sep. 2019), 394–397. DOI:https://doi.org/10.23750/abm.v90i3.8865.