[Preventive vaccinations].
D004165:Diphtheria / Q000517:prevention & control*; D006801:Humans; D007115:Immunization Schedule; D007558:Italy; D007883:Legislation, Medical; D012899:Smallpox / Q000517:prevention & control*; D013742:Tetanus / Q000517:prevention & control*; D014611:Vaccination
Vaccinazioni preventive.