AUTHOR=Park Song Yi , Kim Sun Hyu , Choi Byungho TITLE=Preexisting hemodialysis and survival outcome in out-of-hospital cardiac arrest patients: Ulsan, South Korea JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1434543 DOI=10.3389/fmed.2025.1434543 ISSN=2296-858X