title: ACIP delays changing polio vaccine advice.
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D011054:Poliovirus Vaccine, Inactivated
chemical_list: D011054:Poliovirus Vaccine, Inactivated