Chronic bronchitis and emphysema.
D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D001991:Bronchitis / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans; D010102:Oxygen Inhalation Therapy; D011656:Pulmonary Emphysema / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D012907:Smoking / Q000150:complications
D000900:Anti-Bacterial Agents