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Correction: Self‑report underestimates the frequency of the acute respiratory exacerbations of COPD but is associated with BAL neutrophilia and lymphocytosis: an observational study

Crossref DOI link: https://doi.org/10.1186/s12890-025-04076-z

Published Online: 2026-01-29

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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