Profibrotic effect of IL-9 overexpression in a model of airway remodeling., van den Brûle, Sybille, Heymans Julie, Havaux Xavier, Renauld Jean-Christophe, Lison Dominique, Huaux François, and Denis Olivier , Am J Respir Cell Mol Biol, 2007 Aug, Volume 37, Issue 2, Number 209, p.202-9, (2007)