title: Further studies on the epidemiology of multiple sclerosis in Finland.
mesh_terms: D000818:Animals; D002417:Cattle; D002523:Edible Grain; D005387:Finland; D006801:Humans; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology; D009137:Muscular Dystrophy, Animal / Q000453:epidemiology*; D010942:Plant Viruses