O'Brien, P E <br/><br/>
President's message.  [electronic resource] 

 -  Occupational health nursing  Nov 1971 
 - 26-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0029-7933 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing Disorders--prevention & control<br/>Humans<br/>Noise<br/>Occupational Diseases--prevention & control<br/>Occupational Health Nursing