RESTIVO, Vincenzo et al. Knowledge and attitudes of parents after the implementation of mandatory vaccination in kindergartens of Palermo, Italy. Acta Biomedica Atenei Parmensis, Fidenza, Italy, v. 91, n. 3-S, p. 41–47, 2020. DOI: 10.23750/abm.v91i3-S.9415. Disponível em: https://mattioli1885journals.com/index.php/actabiomedica/article/view/9415.. Acesso em: 3 jul. 2024.