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(A, C, E) The effects of PVE and fractions on the viability of MDA-MB-231, MCF-7 and 4T1 cells. (B, D, F) The intersections of each curve with the 50% dashed line correspond to the drug concentration (IC50) that yielded a survival rate of 50% (N = 3, x– ± s; ∗ and ∗∗ represent p < 0.05 and p < 0.01, respectively, compared to the control group).
