title: [Smoking COPD patients].
authors.forename: Börje
authors.initials: B
authors.lastname: Bager
mesh_terms: D000075202:Contraindications; D006801:Humans; D010102:Oxygen Inhalation Therapy; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications / Q000628:therapy*; D012907:Smoking / Q000009:adverse effects; D016540:Smoking Cessation