Journal of Allergy / 2012 / Article / Fig 2

Research Article

Substance P Regulates Environmental Tobacco Smoke-Enhanced Tracheal Smooth Muscle Responsiveness in Mice

Figure 2

Tracheal smooth muscle contraction was generated by 10−5 M methacholine (MCh) in 1 day ( in each group) and 5 days ( in each group) SS-(solid bars) or FA-(open bars) exposed tracheal rings. Values are means SE.

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