elevation of the ck levels occurred in all groups , but the area under the time-enzyme activity curve showed no statistically significant difference between the group with 480-min occlusion , in which transmural myocardial infarction occurred in all dogs , and the group with temporary occlusion , in which no infarction could be histologically or histochemically demonstrated .
C0027051
myocardial infarction
C0021308
infarction