title: Personal ear protection evaluation--present and future.
mesh_terms: D000162:Acoustics; D001698:Biomedical Engineering; D003258:Consumer Behavior; D005069:Evaluation Studies as Topic; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D008722:Methods; D009787:Occupational Medicine; D011482:Protective Devices / Q000592:standards*; D012952:Societies