title: Prevalence of multiple sclerosis.
authors.forename: W M
authors.initials: WM
authors.lastname: Landau
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D009103:Multiple Sclerosis / Q000175:diagnosis / Q000453:epidemiology*; D015995:Prevalence; D014481:United States / Q000453:epidemiology