Hearing aid use by adults: a survey of surveys.
D000328:Adult; D000368:Aged; D003638:Deafness / Q000534:rehabilitation; D003718:Denmark; D004739:England; D006306:Health Surveys; D006310:Hearing Aids / Q000706:statistics & numerical data*; D006801:Humans; D008875:Middle Aged; D009664:Norway; D014481:United States