ANTIBIOTICS AND CHRONIC BRONCHITIS.
D000667:Ampicillin; D000900:Anti-Bacterial Agents; D001991:Bronchitis; D029481:Bronchitis, Chronic; D003879:Dermatologic Agents; D004358:Drug Therapy; D006801:Humans; D013752:Tetracycline
D000900:Anti-Bacterial Agents; D003879:Dermatologic Agents; D000667:Ampicillin; D013752:Tetracycline
AMPICILLIN; BRONCHITIS; DRUG THERAPY; TETRACYCLINE