1Edmunds LH, Clark RE, Cohn LH, etal. Guiddines far mmbidity and mortality after cardiac valvular operation. J Thorac Cardiovaac Surg, 1996,112:708-711.
2Jamieson WR, Edwards FH, Bern JW, et al. Pisk straatificatian for cardiac valve replacement. National Cardiac Surgery Database Committee of The Society of Thoracic Surgeons. Ann Thorac Surg, 1999, 67:943-951.
3Flameng WJ, Herijgers P, Szcsi J, et al. Determinants of early and late resuits of combined valve operations and coronary eatery bypess grafting. Ann Thorac Surg, 1996,61:621 - 628.
4Karp RB, Mills N, Edmunds LH Jr.Coronary artery bypase garfting in the presence of valvular disease. Circulation, 1989,79(6 Pt 2):1182-184.
5van Herwarden LA, Tjan D, Tjissen JG, et al. Determinants of survival after surgery for mitral valve regurgitation in patients with and without coronary artery disease.Eur J Cardiothorac Surg,1990,4:329-335.
6Czer LS, Gray RJ, Stewart ME, eta]. Reduction in sudden late death by concomitant revascularization with acrtic valve replacement, J Thorac Cardiovasc Surg, 1988,95:390-401.
7Magovern JA,Pennock JL,Campbell DB,et al. Aortic valve replacement and combined aortic valve replacement and coronary artery bypess grafting:predicting high risk groups,J Am Coll Cardiol, 1987,9:38-43.
8Loisance DY, Mazzucotelli JP, Bertrand PC, et al. Mitroflow periesrdial valve: long-term durability. Ann Thorac Surg, 1993,56:131 - 136.
9Murakami T, Eishi K, Nakano S, et al. Aortic and nitral valve replacement with the Carpentier-Edwards pericardial bioprosthsis:10-year results, J Heart Valve Dis, 1996,5:45-49.
10Zhu XD, Gou JQ, Chert YC, et al. Ten-year experience with pericantial xenograft valves. J Thorac Cardiovaac Surg, 1988,95:572- 576.