Media type: E-Article Title: Symptomatic burden of COPD for patients receiving dual or triple therapy Contributor: Chen, Stephanie; Small, Mark; Lindner, Leandro; Xu, Xiao imprint: Informa UK Limited, 2018 Published in: International Journal of Chronic Obstructive Pulmonary Disease Language: English DOI: 10.2147/copd.s163717 ISSN: 1178-2005 Keywords: Public Health, Environmental and Occupational Health ; Health Policy ; Pulmonary and Respiratory Medicine ; General Medicine Origination: Footnote: Access State: Open Access