A seven-year review of measured hearing levels in male manual steelworkers with high initial thresholds.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000497:Alloys; D001309:Auditory Threshold; D004739:England; D004781:Environmental Exposure; D006801:Humans; D008297:Male; D008669:Metallurgy; D008875:Middle Aged; D009622:Noise; D009787:Occupational Medicine; D013232:Steel; D013997:Time Factors
D000497:Alloys; D013232:Steel