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Figure 5 The effects of bradykinin (0.2, 0.6, and 2.0 µg/min) and papaverine (PA) (12 mg) on plasminogen activator inhibitor type 1 (PAI-1) antigen in the aorta (Ao) and coronary sinus (CS) in the control group (solid circles), perindopril group (solid triangles), and losartan group (open squares).