Association between COPD exacerbations and lung function decline during maintenance therapy
Marjan Kerkhof, Jaco Voorham, Paul Dorinsky, Claudia Cabrera, Patrick Darken, Janwillem WH Kocks, Mohsen Sadatsafavi, Don D Sin, Victoria Carter, David B Price
Thorax Sep 2020, 75 (9) 744-753; DOI: 10.1136/thoraxjnl-2019-214457