title: Pertussis immunization: results of new trials.
authors.affiliation: Istituto Superiore di Sanità, Rome, Italy.
authors.forename: A E
authors.initials: AE
authors.lastname: Tozzi
authors.forename: D
authors.initials: D
authors.lastname: Greco
authors.forename: S
authors.initials: S
authors.lastname: Salmaso
authors.forename: S G
authors.initials: SG
authors.lastname: Wassilak
mesh_terms: D002675:Child, Preschool; D002986:Clinical Trials as Topic; D005500:Follow-Up Studies; D006801:Humans; D007114:Immunization / Q000379:methods; D007223:Infant; D010567:Pertussis Vaccine / Q000008:administration & dosage*; D012107:Research Design; D015164:Vaccines, Inactivated / Q000008:administration & dosage; D014917:Whooping Cough / Q000517:prevention & control*
chemical_list: D010567:Pertussis Vaccine; D015164:Vaccines, Inactivated