Audiometry in industry.
D000367:Age Factors; D000368:Aged; D001299:Audiometry; D004430:Ear Protective Devices; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D009623:Noise, Occupational; D009784:Occupational Diseases / Q000517:prevention & control*; D013997:Time Factors