title: Breathlessness during exercise in COPD: how do the drugs work?
authors.forename: P M A
authors.initials: PM
authors.lastname: Calverley
mesh_terms: D000420:Albuterol / Q000031:analogs & derivatives* / Q000627:therapeutic use; D001993:Bronchodilator Agents / Q000627:therapeutic use; D004417:Dyspnea / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology; D015444:Exercise / Q000502:physiology*; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications* / Q000188:drug therapy / Q000503:physiopathology; D000068299:Salmeterol Xinafoate
chemical_list: D001993:Bronchodilator Agents; D000068299:Salmeterol Xinafoate; D000420:Albuterol