The selection of essential drugs : report of a WHO Expert committee [meeting held in Geneva from 17 to 21 October 1977]. 

 - 36p. 
 - (WHO technical report series ; 615) .
<br/><br/><label>ISBN: </label>92-4-120615-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Essential drugs