Bad assumptions about hearing protection.
Witt
Brad
B
Sperian Hearing Protection, LLC.
D004430:Ear Protective Devices; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control; D006801:Humans; D009623:Noise, Occupational / Q000517:prevention & control*; D009784:Occupational Diseases / Q000517:prevention & control; D016272:Occupational Health; D013663:Teaching