title: Childhood immunizations: controversy and change.
authors: J H
authors: JH
authors: Shields
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007114:Immunization; D007115:Immunization Schedule; D007117:Immunization, Secondary; D007223:Infant; D014481:United States; D014483:United States Dept. of Health and Human Services