Protocol of inter-industry noise study.
D001299:Audiometry; D004781:Environmental Exposure; D005069:Evaluation Studies as Topic; D006311:Hearing Disorders / Q000175:diagnosis; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D009622:Noise; D009784:Occupational Diseases / Q000517:prevention & control*; D011795:Surveys and Questionnaires; D014481:United States