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Lower geriatric nutritional risk index is associated with a higher risk of all-cause mortality in patients with chronic obstructive pulmonary disease: a cohort study from the National Health and Nutrition Examination Survey 2013–2018

Crossref DOI link: https://doi.org/10.1136/bmjresp-2022-001518

Published Online: 2023-07-19

Published Print: 2023-07

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

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