Mortality and migration in multiple sclerosis.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D004641:Emigration and Immigration; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000453:epidemiology* / Q000209:etiology / Q000401:mortality*; D011157:Population Dynamics; D012111:Residence Characteristics; D014481:United States