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Figure 2 Decrease over time in the number of abnormal nuclear scans and the intensity of the nuclear defects. *p < 0.001 vs. acute; p = 0.01 vs. acute; p < 0.001 vs. all delayed (15 min and 1 to 3 h); ¶p < 0.01 vs. all delayed (15 min and 1 to 3 h); p = 0.03 vs. 15 min group.