Characteristics of persons with impaired hearing.
D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006310:Hearing Aids; D006311:Hearing Disorders / Q000453:epidemiology*; D006320:Hearing Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D014481:United States