Retraction: Notice of unreliable findings.  [electronic resource] 

 -  Heart (British Cardiac Society)  Sep 2012 
 - 1328 p.  digital 
<br/><br/> Publication Type: Retraction Notice 
<br/><br/><label>ISSN: </label>1468-201X 
<br/><br/><label>Standard No.: </label>10.1136/heartjnl-2011-301101ret  doi