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. 2017 Dec 26;2017:4523673. doi: 10.1155/2017/4523673

Figure 1.

Figure 1

Effect of pretreatment with Chamaecyparis obtusa (CO) extracts on the viability of human corneal epithelial (HCE) cells. (a) The effect of CO extracts (0.001%, 0.01%, and 0.1% concentrations) on the viability of HCE cells is shown. (b) The effect of CO extracts (0.001%, 0.01%, and 0.1% concentrations) on HCE cells exposed to 200 μM hydrogen peroxide (H2O2). The results are shown as a percentage relative to the control samples. P < 0.01 compared with the control cells. P < 0.01 compared with the cells exposed to H2O2.