Macmanus, Q <br/><br/>
Year of operation as a risk factor in the late results of valve replacement.  [electronic resource] 

 -  The Journal of thoracic and cardiovascular surgery  Dec 1980 
 - 834-41 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0022-5223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Aortic Valve--surgery<br/>Bioprosthesis--mortality<br/>Female<br/>Follow-Up Studies<br/>Heart Valve Prosthesis--mortality<br/>Humans<br/>Male<br/>Middle Aged<br/>Mitral Valve--surgery<br/>Postoperative Complications<br/>Risk<br/>Thromboembolism--complications<br/>Time Factors