[Use of hearing protection in a Swedish engineering industry in 1977].
D004430:Ear Protective Devices; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D009623:Noise, Occupational; D009787:Occupational Medicine; D011482:Protective Devices; D013548:Sweden
Hörselskyddsanvändning i en svensk verkstadsindustri 1977.