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. 2011 Oct 7;12(1):133. doi: 10.1186/1465-9921-12-133

Figure 1.

Figure 1

Airway cells export GSH in response to CSE over time. The extracellular (A) and intracellular (B) GSH levels after the exposure of 16HBE cells to 20% CSE at 12, 24, and 48 hours. Data represented as mean ± SEM, with different letters representing statistically significant differences between groups, p < 0.05.