CHRONIC BRONCHITIS.
D000900:Anti-Bacterial Agents; D001991:Bronchitis; D029481:Bronchitis, Chronic; D004358:Drug Therapy; D006801:Humans; D011656:Pulmonary Emphysema
D000900:Anti-Bacterial Agents
ANTIBIOTICS; BRONCHITIS; DRUG THERAPY; PULMONARY EMPHYSEMA