From the Centers for Disease Control. Prevalence of chronic migraine headaches--United States, 1980-1989.
D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000453:epidemiology*; D015995:Prevalence; D012737:Sex Factors; D014481:United States / Q000453:epidemiology