Incidence of Postoperative Delirium among Elderly Patients after Elective Surgeries under Anesthesia in the Charity Services of the Philippine General Hospital. Acta Med Philipp [Internet]. 2024 May 23 [cited 2025 Apr. 15];58(9). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/8740