Dukes, M N <br/><br/>
Drug utilization studies. Methods and uses. Introduction.  [electronic resource] 

 -  WHO regional publications. European series  1993 
 - 1-4 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0378-2255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drug Utilization--statistics & numerical data<br/>Humans<br/>Research Design