title: 1998 immunization schedule changes and clarifications.
authors.affiliation: Centers for Disease Control and Prevention, National Immunization Program, Atlanta, GA 30333, USA.
authors.forename: S
authors.initials: S
authors.lastname: Humiston
authors.forename: W
authors.initials: W
authors.lastname: Atkinson
mesh_terms: D002648:Child; D006801:Humans; D007115:Immunization Schedule; D014481:United States; D014611:Vaccination