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. 2006 Dec 19;115(3):346–353. doi: 10.1289/ehp.9440

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Cytotoxicity of trivalent arsenicals in HaCat cells cultured in DMEM containing 10% serum. HaCat cells were cultivated in the presence of arsenicals at concentrations indicated in each plot, noting that the scale is not identical. MTT dye reduction was assessed after incubating cells with arsenicals for 24 hr, and the absorbance obtained was compared with untreated cells to determine the relative percent cell viability. Data represent the mean of several experiments (minimum of three replicates) and the SD is plotted as error.