Bilevel Noninvasive Ventilation During Exercise Reduces Dynamic Hyperinflation and Improves Cycle Endurance Time in Severe to Very Severe COPD. - Dennis, Clancy J.; Menadue, Collette; Schneeberger, Tessa; Leitl, Daniela; Schoenheit-Kenn, Ursula; Hoyos, Camilla M.; Harmer, Alison R.; Barnes, David J.; Koczulla, Andreas R.; Kenn, Klaus; Alison, Jennifer A. (CHEST, 2021)