4Prasad K.Increased oxygen free radical activity in patient on cardiopulmonary byass surgery .Am Heart J,1992,123:37.
5Zweier JL,Flaberty JT,Weisfeldt ML. Direct measurement of free radicall generation following reperfusion of ischemic myocardium.Proc Natl Acad Sci USA,1987,84:1 404~1 407.
6Kawahito K, Mohara J, Misawa Y, Kato M, Fuse K. Assessment of the myocardial protective effect of antegrade warm blood cardioplegia by measuring the release of biochemical markers. Surg Today 1999,29(4):322~326.