Youngken, H.W.  . <br/><br/>
Natural drugs morphologic and toxonomic consideration /  
by Heber Wilkinson Yougnken. 
 - Delhi :   Biotech Books ,   2003 
 - 700p :  
<br/><br/><label>ISBN: </label>81-7622-090-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs
<br/><br/><label>Dewey Class. No.: </label>G:2(Y:414)  / P3