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Figure 2 Average values and standard deviations for the levels of myocardial fatty acid utilization (MFAU) and oxidation (MFAO) and myocardial glucose utilization (MGU). The MFAU and MFAO did not differ between the groups, whereas MGU was higher in the older group compared with the younger group. *p < 0.05. Open bar = younger group; solid bar = older group.