Johnston, A R <br/><br/>
Review of respirator performance testing in the workplace: issues and concerns.  [electronic resource] 

 -  American Industrial Hygiene Association journal  Nov 1992 
 - 705-12 p.  digital 
<br/><br/> Publication Type: Journal Article; Review 
<br/><br/><label>ISSN: </label>0002-8894 
<br/><br/><label>Standard No.: </label>10.1080/15298669291360409  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollution, Indoor<br/>Humans<br/>Occupational Health<br/>Respiratory Protective Devices<br/>Workplace