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Figure 2 (A) Bar graphs showing the percent increase in brachial arterial diameter during reactive hyperemia before treatment in patients with coronary spastic angina (CSA) (solid bar) and controls (open bar). (B) Bar graphs showing the plasma {alpha}-tocopherol levels before treatment in patients with CSA (solid bar) and controls (open bar). (C) Bar graphs showing the plasma TBARS levels before treatment in patients with CSA (solid bar) and controls (open bar).