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A. Immunofluorescent staining of injured arteries 21 days after surgery using an anti-CD68 antibody. CD68+ macrophages are shown in yellow, while nuclei were counter-stained with DAPI (blue). B. Number of macrophages per section in the three experimental groups. Bars represent the mean ± SEM (n = 4 per group). *p < 0.05.
