WORLD Health Organization <br/><br/>
Early detection of health impairment in occupational exposure to health hazards 

 - Geneva  WHO  1975 
 - 80 p.- 
 - WHO technical report series 571 .
<br/><br/><label>ISBN: </label>9241205717 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Occupational health<br/>WHO technical report series 571
<br/><br/><label>Dewey Class. No.: </label>613.62  / WOR