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Ratio of intima:media cross-sectional areas (A), intimal cross-sectional area (B), and medial cross-sectional area (C) of carotid arteries from control (filled bars) and doxycycline-treated rats (open bars), measured at 28 days after balloon catheter injury. Values are mean ± SEM; the number of rats in each group is indicated at the bottom of the bar. *, The value in the doxycycline-treated rats is significantly less than the value in controls.
