RT Journal Article SR Electronic T1 Living with COPD: the struggle for breath and for lung volume reduction therapies JF ERJ Open Research JO erjor FD European Respiratory Society SP 00005-2018 DO 10.1183/23120541.00005-2018 VO 4 IS 2 A1 Mahadeva, Ravi A1 Zoumot, Zaid YR 2018 UL http://openres.ersjournals.com/content/4/2/00005-2018.abstract AB