Manalu N, Gaus S, Salam S, Salahuddin A, Rum M, Datu M. Relationship between Depth of Anesthesia and Interleukin-6 with the Incidence of Postoperative Delirium (POD) in Geriatric Patients Undergoing General Anesthesia. Arch Anesth & Crit Care. 2025;.