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. Author manuscript; available in PMC: 2009 Dec 31.
Published in final edited form as: Respir Physiol Neurobiol. 2008 Jul 31;164(3):300–311. doi: 10.1016/j.resp.2008.07.019

Figure 5.

Figure 5

Effects of saline (A and C) or IL-1 receptor antagonist (B and D) on cumulative concentration-response curves for MCh (A and B) and frequency-response curves for EFS (C and D) in organotypic cultured tracheal smooth muscle after in vitro exposure to air (○) or ozone (●). Values are means ± SE; n = 5. The difference in MCh cumulative concentration-response curves between air and ozone in vitro exposure are presented in Table 3 *Significant difference in EFS between in vitro air and ozone exposure, P ≤0.05.