RT Journal Article SR Electronic T1 Increased serum levels of LL37, HMGB1 and S100A9 during exacerbation in COPD patients JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1482 OP 1485 DO 10.1183/09031936.00158414 VO 45 IS 5 A1 Simon D. Pouwels A1 Martijn C. Nawijn A1 Erik Bathoorn A1 Annelies Riezebos-Brilman A1 Antoon J.M. van Oosterhout A1 Huib A.M. Kerstjens A1 Irene H. Heijink YR 2015 UL http://erj.ersjournals.com/content/45/5/1482.abstract AB