W.H.O. <br/><br/>
The international pharmacopoeia 

 - 3 rd  
 - Geneva   World health org.  2005 
 - 342 
 -  ii st .
<br/><br/><label>ISBN: </label>81-7473-292-6 
<br/><br/><label>Dewey Class. No.: </label>615.11  / WHO