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Figure 1 vß3 and tissue factor immunohistochemistry staining in relation to coronary vasculopathy. Positive staining (brown) of both vß3 (E, arrow, vascular endothelium) and tissue factor (F, myocardial interstitium) in a patient with coronary vasculopathy demonstrated on intravascular ultrasound (D) compared with a patient without evidence of coronary vasculopathy (A, B, C). Bar = 50 µm.