title: Usefulness of GOLD classification of COPD severity.
authors.forename: D
authors.initials: D
authors.lastname: Köhler
authors.forename: J
authors.initials: J
authors.lastname: Fischer
authors.forename: F
authors.initials: F
authors.lastname: Raschke
authors.forename: B
authors.initials: B
authors.lastname: Schönhofer
mesh_terms: D005541:Forced Expiratory Volume / Q000502:physiology; D006801:Humans; D011237:Predictive Value of Tests; D029424:Pulmonary Disease, Chronic Obstructive / Q000145:classification* / Q000175:diagnosis; D012189:Retrospective Studies; D014797:Vital Capacity / Q000502:physiology