RT Journal Article SR Electronic T1 Differences in proteoglycan deposition in the airway of moderate and severe asthmatics JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00047905 A1 L. Pini A1 Q. Hamid A1 J. Shannon A1 L. Lemelin A1 R. Olivenstein A1 P. Ernst A1 C. Lemière A1 J.G. Martin A1 M.S. Ludwig YR 2006 UL http://erj.ersjournals.com/content/early/2006/10/18/09031936.00047905.abstract AB