The use of essential drugs 

 - Geneva:  World Health Organization;  2000 
 - v, 61 p. 
 - WHO technical report series  895 .
<br/><br/> Includes reference. 
<br/><br/><label>ISBN: </label>9241208953 
<br/><br/><label>Dewey Class. No.: </label>615.1  / WOR