Figure 4From: Liquid chromatography/mass spectrometry analysis of exhaled leukotriene B4 in asthmatic childrenExhaled nitric oxide (NO) concentrations in children with allergic disease. Exhaled NO concentrations in healthy children (open squares), atopic non-asthmatic children (NA) (filled squares), steroid-naïve atopic asthmatic children (open triangles), and steroid-treated (ST) children with atopic asthma (filled triangles). Median values are shown with horizontal bars.Back to article page