title: Successful treatment of respiratory tract infections in patients with chronic respiratory disease-how to make objective conclusions.
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000188:drug therapy; D012119:Respiration; D012141:Respiratory Tract Infections / Q000188:drug therapy* / Q000382:microbiology / Q000503:physiopathology; D013183:Sputum; D013492:Suppuration
chemical_list: D000900:Anti-Bacterial Agents