St George, D A <br/><br/>
Monitoring the frequency of side effects of drugs. Data from several sources are needed to show numbers taking drugs.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Jun 1996 
 - 1419 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0959-8138 
<br/><br/><label>Standard No.: </label>10.1136/bmj.312.7043.1419  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adverse Drug Reaction Reporting Systems<br/>Data Collection<br/>Humans<br/>United Kingdom