Improvements in lung function with umeclidinium/vilanterol versus fluticasone propionate/salmeterol in patients with moderate-to-severe COPD and infrequent exacerbations

Improvements in lung function with umeclidinium/vilanterol versus fluticasone propionate/salmeterol in patients with moderate-to-severe COPD and infrequent exacerbations

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Respiratory Medicine - Volume 109, Issue 7, July 2015, Pages 870-881

James F. Donohue, Sally Worsley, Chang-Qing Zhu, Liz Hardaker, Alison Church,