title: Vaccination: legal obligation vs. education.
authors.affiliation: Laboratory of Epidemiology and Biostatistics, Istituto Superiore di Sanitá, Rome, Italy.
authors.forename: D
authors.initials: D
authors.lastname: Greco
mesh_terms: D006266:Health Education; D006801:Humans; D014611:Vaccination / Q000331:legislation & jurisprudence*; D014944:World Health Organization