Multiple sclerosis and amyotrophic lateral sclerosis in Mississippi.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008922:Mississippi; D009103:Multiple Sclerosis / Q000453:epidemiology*; D009790:Occupations; D005082:Physical Exertion; D012737:Sex Factors; D044465:White People