title: Barriers to immunization and missed opportunities.
authors.affiliation: National Immunization Program, Centers for Disease Control, Atlanta, GA 30333, USA.
authors.forename: J M
authors.initials: JM
authors.lastname: Santoli
authors.forename: P G
authors.initials: PG
authors.lastname: Szilagyi
authors.forename: L E
authors.initials: LE
authors.lastname: Rodewald
mesh_terms: D002648:Child; D002662:Child Health Services; D003695:Delivery of Health Care; D006801:Humans; D007115:Immunization Schedule; D010290:Parents; D011785:Quality Assurance, Health Care; D011787:Quality of Health Care; D014481:United States; D014611:Vaccination