Noise: past, present and future.
D004430:Ear Protective Devices; D005544:Forecasting; D006266:Health Education; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D049673:History, 20th Century; D006801:Humans; D008297:Male; D008452:Maximum Allowable Concentration; D009622:Noise / Q000009:adverse effects*; D009784:Occupational Diseases / Q000517:prevention & control; D014481:United States; D014942:Workers' Compensation / Q000266:history / Q000331:legislation & jurisprudence