[Smoking COPD patients].
Bager
Börje
B
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