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Antiproliferative and cytocidal activity of aspirin and NCX 4042 at concentrations of 1, 5, 10, 50 and 100 μM. Exposure time to drugs:□, 24 h; Ж, 24 h + 24-h washout; ○, 48 h; ▲, 48 h + 24-h washout. Each point indicates the mean of at least three experiments and SD never exceeded 5%.
