title: Drug safety in COPD revisited: what is the number needed to analyze?
authors.affiliation: Christian Albrechts University Kiel, Department of Internal Medicine and Grosshansdorf Clinic, Grosshansdorf, Germany. Electronic address: k.f.rabe@kh-grosshansdorf.de.
authors.forename: Klaus F
authors.initials: KF
authors.lastname: Rabe
mesh_terms: D001145:Arrhythmias, Cardiac / Q000453:epidemiology*; D001993:Bronchodilator Agents / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
chemical_list: D001993:Bronchodilator Agents