[Chronic bronchitis. When to use antibiotics?].
D000900:Anti-Bacterial Agents / Q000008:administration & dosage / Q000627:therapeutic use*; D017963:Azithromycin / Q000008:administration & dosage / Q000627:therapeutic use; D001419:Bacteria / Q000302:isolation & purification; D029481:Bronchitis, Chronic / Q000188:drug therapy* / Q000382:microbiology; D015169:Colony Count, Microbial; D006801:Humans; D013183:Sputum / Q000382:microbiology; D013997:Time Factors
D000900:Anti-Bacterial Agents; D017963:Azithromycin