An evaluation of a hearing conservation program.
D000328:Adult; D000368:Aged; D001299:Audiometry; D001309:Auditory Threshold; D005069:Evaluation Studies as Topic; D005260:Female; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine