Lewington, Anna. <br/><br/>
Medicinal plants and plant extracts :  a review of their importation into Europe / 
Anna Lewington. 
 - Cambridge, UK :  TRAFFIC International,  1993. 
 - vi, 37 p. : ill. 
 - Species in danger. .
<br/><br/> TRAFFIC International. 
<br/><br/><label>ISBN: </label>0947613994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicinal plants conservation.<br/>Medicinal plants transportation.