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Association between blood urea nitrogen to albumin ratio and 28-day mortality in ICU patients with acute respiratory failure: a retrospective analysis of MIMIC-IV database

Crossref DOI link: https://doi.org/10.1186/s12911-025-03100-w

Published Online: 2025-07-06

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

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