FIG 3. Mast cell numbers in the ASM in asthma correlate with AHR.
A, Dot plot of mast cell numbers (horizontal bar, mean) in the ASM in controls, subjects with asthma with severity defined according to GINA, subjects with refractory asthma, and patients with EB. B, Correlation of mast cell numbers in the ASM (x-axis) and methacholine PC20 in asthma (y-axis).