title: Lung-volume--reduction surgery.
authors.forename: Smita S
authors.initials: SS
authors.lastname: Pakhale
authors.forename: Carlos
authors.initials: C
authors.lastname: Gutierrez
mesh_terms: D017079:Exercise Tolerance; D006801:Humans; D011013:Pneumonectomy; D011656:Pulmonary Emphysema / Q000188:drug therapy* / Q000601:surgery*; D016019:Survival Analysis