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Fine crackles on chest auscultation in the early diagnosis of idiopathic pulmonary fibrosis: a prospective cohort study

Crossref DOI link: https://doi.org/10.1136/bmjresp-2020-000815

Published Online: 2021-07-07

Published Print: 2021-07

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

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