title: Improving patients with advanced chronic airflow obstruction.
mesh_terms: D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D005541:Forced Expiratory Volume; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use; D008173:Lung Diseases, Obstructive / Q000188:drug therapy*; D013806:Theophylline / Q000627:therapeutic use
chemical_list: D000305:Adrenal Cortex Hormones; D001993:Bronchodilator Agents; D013806:Theophylline; D007545:Isoproterenol