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 Guibert, Nicolas A1 Fumat, Romane A1 Dupuis, Marion A1 Dusselier, Matthieu A1 Favard, Florent A1 Heluain, Valentin A1 Mallah, Siham A1 Barthes, Romain A1 Simonneau, Yannick A1 Egenod, Thomas YR 2022 UL http://openres.ersjournals.com/content/8/2/00672-2021.abstract AB