9Schaff HV, Marsh DH. Marsh DH.Multiple Valve Disease. In: Ed munds LH, JR. Cardiac Surgery in the Adult. McGraw-HillCompanies. Inc. U.S.A. 1997. 1071～1099.
10Baue AE: The role of the gut in the development of multiple organ dysfunction incardiothoracic patients. Ann Thorac Surg, 1993,55:82～9.
