title: Measles data are reliable.
authors.forename: M
authors.initials: M
authors.lastname: Ramsay
authors.forename: D
authors.initials: D
authors.lastname: Brown
mesh_terms: D004739:England / Q000453:epidemiology; D006801:Humans; D017589:Immunization Programs; D015994:Incidence; D008457:Measles / Q000453:epidemiology*; D014611:Vaccination; D014852:Wales / Q000453:epidemiology