Cell-free hemoglobin is associated with microcirculatory perfusion disturbances and acute kidney injury in rats on extracorporeal membrane oxygenation. - Volleman, Carolien; Dubelaar, Dionne P. C.; Phelp, Philippa G.; Ibelings, Roselique; Tuip-de Boer, Anita M.; Polet, Chantal A.; van den Bergh, Walter M.; Vlaar, Alexander P. J.; van den Brom, Charissa E. (BMC Anesthesiology, 2025)