AUTHOR=Guan Xueqing , Sun Chaonan , Su Jianyao , Sun Zhijun , Cheng Cheng TITLE=Deciphering the causality of gut microbiota, circulating metabolites and heart failure: a mediation mendelian JOURNAL=Frontiers in Pharmacology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1531384 DOI=10.3389/fphar.2025.1531384 ISSN=1663-9812