title: [Epidemiological study of multiple sclerosis since 1976 to 1978 in Morioka (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000453:epidemiology*