title: Long-acting bronchodilators in COPD.
authors.forename: Malcolm R
authors.initials: MR
authors.lastname: Sears
mesh_terms: D016084:Bronchoconstriction / Q000187:drug effects; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D003692:Delayed-Action Preparations / Q000627:therapeutic use; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000401:mortality / Q000503:physiopathology; D015996:Survival Rate / Q000639:trends; D016896:Treatment Outcome
chemical_list: D001993:Bronchodilator Agents; D003692:Delayed-Action Preparations