Selected annotated bibliography on essential drugs./ 
World Health Organisation. 
 - 2nd ed. 
 - Geneva :  WHO ,  1990. 
 - 213 p. ;  30 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs--bibliography.
<br/><br/><label>National Library of Medicine Call No.: </label>WHO QV18.2  / Se48  1990.