Lee, Richard <br/><br/>
Fifteen-year outcome trends for valve surgery in North America.  [electronic resource] 

 -  The Annals of thoracic surgery  Mar 2011 
 - 677-84; discussion p 684 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Multicenter Study 
<br/><br/><label>ISSN: </label>1552-6259 
<br/><br/><label>Standard No.: </label>10.1016/j.athoracsur.2010.11.009  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Aged, 80 and over<br/>Cardiac Surgical Procedures--mortality<br/>Follow-Up Studies<br/>Heart Valve Diseases--surgery<br/>Humans<br/>Middle Aged<br/>North America--epidemiology<br/>Retrospective Studies<br/>Risk Factors<br/>Survival Rate--trends<br/>Time Factors