Towards precision in defining COPD exacerbations
Crossref DOI link: https://doi.org/10.1183/20734735.0081-2021
Published Online: 2021-09-01
Published Print: 2021-09
Update policy: https://doi.org/10.1183/ers-crossmark-policy
Jenkins, Christine R. http://orcid.org/0000-0003-2717-5647
Version of Record valid from 2021-09-01