title: Avoiding mistakes in calculating the number needed to treat in severe COPD.
authors.forename: Shawn D
authors.initials: SD
authors.lastname: Aaron
mesh_terms: D000420:Albuterol / Q000031:analogs & derivatives* / Q000627:therapeutic use; D000730:Androstadienes / Q000627:therapeutic use*; D001993:Bronchodilator Agents / Q000627:therapeutic use*; D000068298:Fluticasone; D006801:Humans; D017063:Outcome Assessment, Health Care; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D000068299:Salmeterol Xinafoate
chemical_list: D000730:Androstadienes; D001993:Bronchodilator Agents; D000068299:Salmeterol Xinafoate; D000068298:Fluticasone; D000420:Albuterol