title: [COPD: LAMA / LABA fixed combination more effective than separately ].
authors.affiliation: 1 Horten-Zentrum für praxisorientierte Forschung und Wissenstransfer, Universitätsspital Zürich.
authors.forename: Johann
authors.initials: J
authors.lastname: Steurer
mesh_terms: D058666:Adrenergic beta-2 Receptor Agonists / Q000627:therapeutic use*; D006801:Humans; D018727:Muscarinic Antagonists / Q000627:therapeutic use*; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
chemical_list: D058666:Adrenergic beta-2 Receptor Agonists; D018727:Muscarinic Antagonists