Complement Activation as a Predictor of Postoperative Delirium in Elderly Spine Surgery Patients. - Vogelgesang, Antje; Wolf, Hannah; Strack, Sarah; Flöel, Agnes; Schroeder, Henry W. S.; Müller, Jonas; Müller, Jan-Uwe; Fleischmann, Angelika; Fleischmann, Robert; Pauly, Diana; Ruhnau, Johanna (International Journal of Molecular Sciences, 2026)