title: Defining delayed immunizations.
authors.forename: D A
authors.initials: DA
authors.lastname: Varrasso
authors.forename: I
authors.initials: I
authors.lastname: Redlener
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006304:Health Status; D006703:Ill-Housed Persons; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D009626:Terminology as Topic