Association Between Intraoperative Oliguria and Postoperative Acute Kidney Injury in Patients Undergoing Hepatobiliary and Pancreatic Surgery Within an Enhanced Recovery After Surgery Protocol: A Retrospective Cohort Study. - Jang, Hwa-Young; Kwon, Hyun-Jung; Park, Yong-Hee; Jeong, Sung-Moon; Kim, Yeon Ju; Kwon, Hye-Mee (Journal of Clinical Medicine, 2026)