title: The challenge of vaccinating vulnerable children.
authors.forename: L E
authors.initials: LE
authors.lastname: Rodewald
authors.forename: J M
authors.initials: JM
authors.lastname: Santoli
mesh_terms: D002648:Child; D006297:Health Services Accessibility; D006801:Humans; D007114:Immunization / Q000191:economics / Q000706:statistics & numerical data*; D017010:Reminder Systems; D012959:Socioeconomic Factors; D014481:United States