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Is the use of two versus one long-acting bronchodilator by patients with COPD associated with a higher risk of acute coronary syndrome in real-world clinical practice?

Crossref DOI link: https://doi.org/10.1136/bmjresp-2020-000840

Published Online: 2021-01-25

Published Print: 2021-01

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

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