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Figure 2 The intravascular ultrasound (IVUS) images of a right femoral artery showing enhancement of injured endothelium by anti-fibrinogen conjugated echogenic immunoliposome (ELIP). (a) After saline injection and (b) 5 min after 8 mg anti-fibrinogen conjugated ELIP. Because of blooming of the endothelium from ELIP enhancement, the media is the black rim and some of the white rim from the intima. Arrows indicate enhanced endothelium. A = dense adventitia; I = intima; M = media.