title: Causes and treatment of chronic airways obstruction.
mesh_terms: D001249:Asthma / Q000209:etiology / Q000503:physiopathology; D001991:Bronchitis / Q000209:etiology; D001993:Bronchodilator Agents / Q000627:therapeutic use; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D011241:Prednisone / Q000627:therapeutic use; D011656:Pulmonary Emphysema / Q000209:etiology / Q000503:physiopathology; D012131:Respiratory Insufficiency / Q000209:etiology; D012141:Respiratory Tract Infections / Q000150:complications; D013566:Sympathomimetics / Q000627:therapeutic use
chemical_list: D001993:Bronchodilator Agents; D013566:Sympathomimetics; D011241:Prednisone