Bell, R F <br/><br/>
Controlled clinical trials in cancer pain. How controlled should they be? A qualitative systematic review.  [electronic resource] 

 -  British journal of cancer  Jun 2006 
 - 1559-67 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Review; Systematic Review 
<br/><br/><label>ISSN: </label>0007-0920 
<br/><br/><label>Standard No.: </label>10.1038/sj.bjc.6603162  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Controlled Clinical Trials as Topic--methods<br/>Humans<br/>Neoplasms--physiopathology<br/>Pain--prevention & control<br/>Pain Management<br/>Reproducibility of Results