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Effect of paeoniflorin on wound healing ability of HCT116 and SW480. HCT116 (A, C) and SW480 (B, D) cells were treated with increasing concentrations of PF (2.5–10 mM) for 48 h. Data are expressed as means and SD of 3 different experiments. * P<0.05; ** P<0.01. (One-Way ANOVA).
