RT Journal Article SR Electronic T1 Readmission in COPD patients: should we consider it a marker of quality of care or a marker of a more severe disease with a worse prognosis? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 281 OP 282 DO 10.1183/13993003.00885-2016 VO 48 IS 1 A1 Sylvia Hartl A1 Jose Luis Lopez-Campos YR 2016 UL http://erj.ersjournals.com/content/48/1/281.abstract AB