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Figure 1 Bar graph demonstrating mean area (A) and cellularity (B) of each vascular compartment during time course. Open bars = neointima; hatched bars = media; solid bars = adventitia. *p < 0.05 vs. baseline, as indicated. Of note, medial cellularity decreased by 29% (p = 0.002) at 48 h compared with baseline and recovered (p = 0.001) at day 4 (not marked). Uninjured control segments (C) did not show neointima formation or altered structure of media and adventitia.