the present study quantitates myocardial necrosis produced by 40 minutes , 3 hours , or 6 hours of temporary circumflex coronary occlusion ( co ) followed by 2 to 4 days of reperfusion , or by 24 or 96 hours of permanent circumflex ligation in pentobarbital anesthetized open chest dogs .
C0027051
myocardial necrosis
C0817096
chest