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Figure 4 Factor VIII antibody stain (10x, reduced 50%), demonstrating presence of endothelial-lined vessels adjacent to channel remnant. At this high-powered view, an endothelial-lined blood vessel adjacent to channel remnant is evident. Scale, 1.5 cm = 50 µm (Figure 4 is reprinted from reference 51 and with the permission of Lippincott, Williams & Wilkins, Inc.).
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