RT Journal Article SR Electronic T1 Day-to-day variability of forced oscillatory mechanics for early detection of acute exacerbations in COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2003849 DO 10.1183/13993003.03849-2020 VO 56 IS 6 A1 Robab Breyer-Kohansal A1 Marie-Kathrin Breyer A1 Emiel F.M. Wouters YR 2020 UL http://erj.ersjournals.com/content/56/6/2003849.abstract AB