Altman, D G <br/><br/>
The Cochrane Collaboration.  [electronic resource] 

 -  Langenbeck's archives of surgery  Oct 1999 
 - 432-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1435-2443 
<br/><br/><label>Standard No.: </label>10.1007/s004230050226  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evidence-Based Medicine<br/>General Surgery<br/>Humans<br/>Information Services<br/>International Agencies<br/>Organizations, Nonprofit<br/>Randomized Controlled Trials as Topic