The prevalence of multiple sclerosis and some related neuropathological syndromes in south-western Finland. A preliminary report.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003937:Diagnosis, Differential; D005387:Finland; D006801:Humans; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000175:diagnosis / Q000453:epidemiology*; D009902:Optic Neuritis / Q000453:epidemiology*; D013548:Sweden