Figure 1From: Expression of transforming growth factor-β (TGF-β) in chronic idiopathic cough Activated TGF-β1 (Panel A) and BDNF (Panel B) levels in bronchoalveolar lavage fluid (BALF) from 13 normal subjects and 20 chronic cough patients. **p < 0.005 compared with normal control. NS: not significant. Horizontal bar shows mean.Back to article page