RT Journal Article SR Electronic T1 Bilateral endobronchial valves treatment for severe emphysema JF ERJ Open Research JO erjor FD European Respiratory Society SP 00672-2021 DO 10.1183/23120541.00672-2021 VO 8 IS 2 A1 Nicolas Guibert A1 Romane Fumat A1 Marion Dupuis A1 Matthieu Dusselier A1 Florent Favard A1 Valentin Heluain A1 Siham Mallah A1 Romain Barthes A1 Yannick Simonneau A1 Thomas Egenod YR 2022 UL http://openres.ersjournals.com/content/8/2/00672-2021.abstract AB