Pentikäinen, P J <br/><br/>
[How effective are drugs?--controlled drug trials are needed].  [electronic resource] 

 -  Duodecim; laaketieteellinen aikakauskirja  1998 
 - 945, 947, 949 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>0012-7183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Controlled Clinical Trials as Topic<br/>Drug Approval<br/>Drug Therapy--standards<br/>Evidence-Based Medicine<br/>Humans<br/>Professional Practice<br/>Research Design--standards<br/>Treatment Outcome