World Health Organization, United Nations Environment Programme & ILO <br/><br/>
Crystalline silica, quartz 

 - auth, Geneva  c2000 
 - iv,50p 
<br/><br/><label>ISBN: </label>92-4-153024-3 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Pharmacy
<br/><br/><label>Dewey Class. No.: </label>R 363.15 WHO/ICAD