Document is current

Any future updates will be listed below

Prevalence and risk factors for COPD in subjects with preserved ratio impaired spirometry

Crossref DOI link: https://doi.org/10.1136/bmjresp-2022-001298

Published Online: 2022-07-22

Published Print: 2022-07

Update policy: https://doi.org/10.1136/crossmarkpolicy

About CrossMark