title: 'COVER' (cover of vaccination evaluated rapidly): 23.
authors.forename: N T
authors.initials: NT
authors.lastname: Begg
authors.forename: T J
authors.initials: TJ
authors.lastname: Connellan
authors.forename: S
authors.initials: S
authors.lastname: Leon
mesh_terms: D002669:Child Welfare; D004739:England; D006801:Humans; D007114:Immunization / Q000592:standards* / Q000706:statistics & numerical data; D007223:Infant; D009660:Northern Ireland; D015397:Program Evaluation; D014852:Wales