WHO guidelines for assessing quality of herbal medicines with refere nce to contaminants and residues / 
World Health Organisation. 
 - Geneva, Switzerland :  World Health Organisation ,  2007. 
 - x, 105 p. : ill. ;  30 cm. 
<br/><br/>Includes Bibliographical references 
<br/><br/><label>ISBN: </label>9789241594448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine, Herbal-- standards<br/>Drug contamination<br/> Quality control
<br/><br/><label>National Library of Medicine Call No.: </label>WHO QV 766  / W893 2007