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Figure 3 Bar graph representing apoptosis (A) and cell proliferation (B) at 2 h (n = 4) and 3 (n = 4), 7 (n = 8), 14 (n = 8), 21 (n = 8) and 28 (n = 8) days after angioplasty in nondilated arteries (n = 8), the neointima (solid bar), the media (hatched bar) and the adventitia (open bar). Results are expressed as the mean value ± SD.