AUTHOR=Ma Ali , Zhang Chen , Gong Ying , Ma Xueping , Yan Ning 

TITLE=The association between blood urea nitrogen to serum albumin ratio and 28 day in-hospital mortality in patients with chronic heart failure and sepsis: a pilot retrospective study

JOURNAL=Frontiers in Cardiovascular Medicine

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1491331

DOI=10.3389/fcvm.2025.1491331

ISSN=2297-055X