Personal protective devices. Ear protectors--do they really work?
Custard
G
G
D004430:Ear Protective Devices / Q000592:standards*; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control; D006801:Humans; D007878:Legislation as Topic; D011482:Protective Devices / Q000592:standards*; D006113:United Kingdom