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Concentration–activity curve, obtained using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. The graph depicts the dose-dependent antiproliferative effect of the extract A3 on MCF-7 cells for 48 h, IC50=53.34±2.15 μg/mL, *P<.05.