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Figure 2 Bar graphs of neointima/media ratio (top panel) and neointimal cross-sectional area (bottom panel) of common carotid arteries from rats included in the study. The 8-Cl-cAMP and dosages administered in Protocols II, III, and IV significantly reduced both neointimal cross-sectional area and neointima/media ratio. *p < 0.05 vs. Controls and Protocol I; #p < 0.05 vs. Controls and 8-Cl-cAMP Protocol I; p < 0.05 vs. 8-Cl-cAMP Protocol III.