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ARPE-19 cells were treated with 60 mJ/cm2 UVC in the presence of test drugs. After 48 h, viability was evaluated by WST-1 reagent. Data are reported as % of U taken as 100%. C, not irradiated, untreated control; U, irradiated, untreated control. Statistical analysis was performed by the Student t test (mean of three experiments)
