The impact of perioperative positive fluid balance on postoperative acute kidney injury in patients undergoing open hepatectomy: A retrospective single center cohort study. - Phothikun, Natsuda; Pantatong, Orapan; Kulpanun, Maytinee; Wongpunkamol, Somchai; Lapisatepun, Worakitti; Phothikun, Amarit; Lapisatepun, Warangkana (PLoS ONE, 2025)