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Effects of Chrysanthemum indicum extract (CIE) on cell viability of normal cells. A: Rat hepatocytes; B: Human umbilical vein endothelial cell line ECV304. Various concentrations of CIE were added, and the cells were incubated for 24 h. Cell viability was measured by 0.2% trypan blue exclusion (A) and MTT assay (B) respectively. Results presented are representative of 3 independent experiments.
