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Association between waist-to-height ratio and cardiovascular events in patients with chronic obstructive pulmonary disease: the mediating effect of prognostic nutritional index

Crossref DOI link: https://doi.org/10.1186/s12872-025-05286-3

Published Online: 2025-11-26

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

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