title: SPUTUM ANALYSIS: A GUIDE TO THERAPY IN CHRONIC BRONCHITIS.
mesh_terms: D001784:Blood Gas Analysis; D001991:Bronchitis; D029481:Bronchitis, Chronic; D004358:Drug Therapy; D005853:Geriatrics; D010406:Penicillins; D013183:Sputum
chemical_list: D010406:Penicillins
keywords: BLOOD GAS ANALYSIS; BRONCHITIS; DRUG THERAPY; GERIATRICS; PENICILLIN; SPUTUM