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. 2018 Feb 20;9:107. doi: 10.3389/fphar.2018.00107

FIGURE 2.

FIGURE 2

Effects of CCE on cell viability of CSE-induced NHBE cells. CCK-8 assay was conducted to measure the cell viability after being exposed to CSE (A) with or without CCE for 24 h (B). The optimal concentrations of CSE and CCE were chosen for further experiments. The absorbance values of samples were detected in microplate. Data are expressed as means ± SD (n = 6).