RT Journal Article SR Electronic T1 C-reactive protein levels and clinically important predictive outcomes in stable COPD patients JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.06.00109605 A1 J.P. de Torres A1 E. Cordoba-Lanus A1 C López-Aguilar A1 M.M. de Fuentes A1 A.M. de Garcini A1 A. Aguirre-Jaime A1 B.R. Celli A1 C. Casanova YR 2006 UL http://erj.ersjournals.com/content/early/2006/02/02/09031936.06.00109605.abstract AB