title: Effects of anticholinergics and beta-agonists in COPD.
authors.forename: John
authors.initials: J
authors.lastname: Hansen-Flaschen
mesh_terms: D000280:Administration, Inhalation; D000318:Adrenergic beta-Agonists / Q000009:adverse effects*; D018680:Cholinergic Antagonists / Q000009:adverse effects; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy* / Q000401:mortality
chemical_list: D000318:Adrenergic beta-Agonists; D018680:Cholinergic Antagonists