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Efficacy of different respiratory supports to prevent hypoxia during flexible bronchoscopy in patients of COPD: a triple-arm, randomised controlled trial

Crossref DOI link: https://doi.org/10.1136/bmjresp-2022-001524

Published Online: 2023-11-06

Published Print: 2023-11

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

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