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Effect of ROS modifiers or vehicle (HPLC water) on Cu2+(100 μM)-mediated oxidative DNA damage by 2-chloro-2′,5′-dihydroxybiphenyl (100 μM). Adduct levels were determined as the mean of 3 to 4 replicates ± S.E. Asterick (*) indicates values significantly different from vehicle at P ≤ 0.05. Specific conditions are described in text.
