Research Article

Vest Chest Physiotherapy Airway Clearance is Associated with Nitric Oxide Metabolism

Figure 4

Exhaled breath condensate (EBC) oxides of nitrogen ( ) following VCBT. (a) All 11 normal subjects sustained a decrease in EBC concentrations. (b) All nine cystic fibrosis subjects also sustained a decrease in EBC concentrations.
291375.fig.004a
(a)   Normal subjects
291375.fig.004b
(b) CF subjects