Hearing-aid usage and its effect upon residual hearing. A review of the literature and an investigation.
D000293:Adolescent; D000328:Adult; D001307:Auditory Perception; D001309:Auditory Threshold; D002648:Child; D006309:Hearing; D006310:Hearing Aids / Q000009:adverse effects; D006311:Hearing Disorders / Q000209:etiology; D006320:Hearing Tests; D006801:Humans; D008297:Male