Argula, Rahul G Baseline regional perfusion impacts exercise response to endobronchial valve therapy in advanced pulmonary emphysema. [electronic resource] - Chest Nov 2013 - 1578-1586 p. digital Publication Type: Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1931-3543 Standard No.: 10.1378/chest.12-2826 doi Subjects--Topical Terms: AgedBronchoscopy--methodsExercise ToleranceFemaleFollow-Up StudiesForced Expiratory VolumeHumansMaleMiddle AgedPerfusion ImagingPneumonectomy--methodsProspective StudiesPulmonary Emphysema--diagnosisQuality of LifeTomography, X-Ray ComputedTreatment Outcome