The mice were then challenged with inhaled methacholine and respiratory system impedance tracked for the following 10 minutes.Respiratory elastance (H) was estimated from each impedance measurement.

• 小鼠再通过吸入乙酰甲胆碱激发，并记录随后10分钟的呼吸系统阻力，采用每一侧阻抗测量评估呼吸弹性度(H)。