title: Inhaled long-acting β-agonists versus anticholinergics in older patients with chronic obstructive pulmonary disease.
authors: Leonardo M
authors: LM
authors: Fabbri
authors: Claus
authors: C
authors: Vogelmeier
authors: Klaus F
authors: KF
authors: Rabe
mesh_terms: D000318:Adrenergic beta-Agonists / Q000627:therapeutic use*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D018680:Cholinergic Antagonists / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
chemical_list: D000318:Adrenergic beta-Agonists; D001993:Bronchodilator Agents; D018680:Cholinergic Antagonists