AUTHOR=Vargas-Errázuriz Patricio , Dreyse Natalia , López René , Cano-Cappellacci Marcelo , Graf Jerónimo , Guerrero Julia TITLE=Association between phase angle and daily creatinine excretion changes in critically ill patients: an approach to muscle mass JOURNAL=Frontiers in Physiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1508709 DOI=10.3389/fphys.2024.1508709 ISSN=1664-042X