The use of essential drugs. 

 - Geneva :  World Health Organization (WHO) ,  1990 
 - 57p. :  ill. ;   20 cm.  
 - Technical report series (World Health Organization), 796. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9241207965 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Generics. Drugs--Congresses--Assemblies
<br/><br/><label>Gov. Doc. Class. No.: </label>UN WHO TRS-796