World Health Organization, United Nations Environment Programme & ILO <br/><br/>
Principles and methods for assessing allergic hypersensitization associated with exposure to chemicals 

 - WHO, Geneva  1999 
 - xxix,399p figs.,tabs. 
<br/><br/><label>ISBN: </label>92-4-157212-4 
<br/><br/><label>Dewey Class. No.: </label>363.7384 WHO/EHC