Discussion.  [electronic resource] 

 -  The Journal of thoracic and cardiovascular surgery  May 2016 
 - 1246-8 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article 
<br/><br/><label>ISSN: </label>1097-685X 
<br/><br/><label>Standard No.: </label>10.1016/j.jtcvs.2015.12.068  doi