Figure 1.

Changes in FeNO levels (ppb) in Mylar bags with time after collection. Mylar bags were stored at 4°C (○) and room temperature (·) after collection of exhaled air. All values are geometric means and 95% confidence intervals.

Yoda et al. BMC Pulmonary Medicine 2012 12:68   doi:10.1186/1471-2466-12-68
Download authors' original image