Seven day work schedule compounds noise exposure problem.
D001299:Audiometry; D004781:Environmental Exposure; D005260:Female; D003368:Gossypium; D006317:Hearing Loss, Noise-Induced / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008452:Maximum Allowable Concentration; D009622:Noise / Q000517:prevention & control*; D009623:Noise, Occupational / Q000517:prevention & control*; D013063:Speech Discrimination Tests