Time for action in hearing conservation.
D001299:Audiometry; D003638:Deafness / Q000517:prevention & control*; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D007883:Legislation, Medical; D008403:Mass Screening; D009784:Occupational Diseases / Q000517:prevention & control; D014481:United States