title: Response to Letter to the Editor: Improvements in lung function with umeclidinium/vilanterol versus fluticasone propionate/salmeterol in patients with moderate-to-severe COPD and infrequent exacerbations.
authors.affiliation: Department of Medicine, University of North Carolina College of Medicine, Chapel Hill, NC 27599, USA. Electronic address: james_donohue@med.unc.edu.
authors.forename: James F
authors.initials: JF
authors.lastname: Donohue
mesh_terms: D001592:Benzyl Alcohols / Q000008:administration & dosage*; D002722:Chlorobenzenes / Q000008:administration & dosage*; D005260:Female; D000068297:Fluticasone-Salmeterol Drug Combination / Q000008:administration & dosage*; D005541:Forced Expiratory Volume / Q000187:drug effects*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*
chemical_list: D001592:Benzyl Alcohols; D002722:Chlorobenzenes; D000068297:Fluticasone-Salmeterol Drug Combination