Do pericardial bioprostheses improve outcome of elderly patients undergoing aortic valve replacement?
Said SM, Ashikhmina E, Greason KL, Suri RM, Park SJ, Daly RC, Burkhart HM, Dearani JA, Sundt TM, Schaff HV. Do pericardial bioprostheses improve outcome of elderly patients undergoing aortic valve replacement? Ann Thorac Surg. 2012 Jun; 93(6):1868-74; discussion 1874-5.