WHO guidelines for assessing quality of herbal medicines with reference to contaminants and residues 

 - Geneva :  WHO,  2007. 
 - 105 page. 
<br/><br/><label>ISBN: </label>9789241594448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Herbal Medicine--standards<br/>Quality Control<br/>Drug Contamination<br/>Chemistry, Analytic<br/>Guideline