Hager, L D <br/><br/>
Have you heard.  [electronic resource] 

 -  Occupational health & safety (Waco, Tex.)  Mar 1999 
 - 38-40, 42-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0362-4064 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ear Protective Devices<br/>Head Protective Devices<br/>Hearing Loss, Noise-Induced--prevention & control<br/>Humans<br/>National Institute for Occupational Safety and Health, U.S.<br/>Occupational Diseases--prevention & control<br/>United States<br/>Workplace