title: Further studies on multiple sclerosis in Iceland.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D005260:Female; D005843:Geography; D049673:History, 20th Century; D006801:Humans; D007055:Iceland; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000266:history; D012737:Sex Factors