Endothelial Activation and Stress Index as an Indicator of Early Hemodynamic Instability in Critically Ill Patients: A Single-Centre Observational Study. - Kreczko, Mateusz Jerzy; Bieniaszewska, Maria; Steckiewicz, Karol P.; Owczuk, Radosław (Diagnostics (2075-4418), 2026)