JACC -- Barbato et al. 42 (9): 1596 Figure IG4

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Figure 4 Effect of dobutamine on luminal diameter (LD) changes in group 4 (stenotic coronary arteries), group 5 (stenotic coronary arteries, pretreated with phentolamine), and group 6 (stenotic coronary arteries, pretreated with L-arginine). *p < 0.05 vs. group 4. ${dagger}$ p < 0.05 vs. group 6. For an explanation of symbols and abbreviations, see Figure 2.