Hearing aid dispensing in the private sector.
D000368:Aged; D003695:Delivery of Health Care / Q000639:trends*; D004739:England; D006310:Hearing Aids; D006311:Hearing Disorders / Q000628:therapy*; D006801:Humans; D011304:Presbycusis / Q000628:therapy; D011787:Quality of Health Care / Q000639:trends