RT Journal Article SR Electronic T1 Impact on Patient's Health Status following early identification of a COPD Exacerbation JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00166606 A1 J. Bourbeau A1 G. Ford A1 H. Zackon A1 N. Pinsky A1 J. Lee A1 G. Ruberto YR 2007 UL http://erj.ersjournals.com/content/early/2007/08/22/09031936.00166606.abstract AB