title: Acellular pertussis preschool booster vaccination.
authors.forename: Anders
authors.initials: A
authors.lastname: Hviid
mesh_terms: D002675:Child, Preschool; D003718:Denmark / Q000453:epidemiology; D006801:Humans; D007117:Immunization, Secondary; D010567:Pertussis Vaccine / Q000276:immunology*; D022282:Vaccines, Acellular / Q000276:immunology*; D014917:Whooping Cough / Q000453:epidemiology / Q000517:prevention & control*
chemical_list: D010567:Pertussis Vaccine; D022282:Vaccines, Acellular