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Figure 4 Graph showing left anterior descending coronary artery (LAD) flow measured by transit-time flowmeter during the various interventions. NFLS + Vasodilation = non-flow-limiting stenosis at rest in conjunction with vasodilation; FLS = flow-limiting stenosis; Total Occ = total occlusion. *p < 0.05 vs. baseline; {dagger}p < 0.05 vs. vasodilation.