title: Bronchodilator therapy of COPD. A reanalysis suggests new roles and new concerns.
authors.forename: M E
authors.initials: ME
authors.lastname: Deffebach
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D005541:Forced Expiratory Volume; D006801:Humans; D009241:Ipratropium / Q000627:therapeutic use*; D008173:Lung Diseases, Obstructive / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D000318:Adrenergic beta-Agonists; D001993:Bronchodilator Agents; D009241:Ipratropium