Safety of additional intravenous acetaminophen/ibuprofen administration in patients undergoing robot-assisted renal surgery with postoperative ketorolac-based patient-controlled analgesia: A retrospective propensity-score-matched analysis. - Song SH; Lee S; Ryu JH; Oh AY; Jeon YT; Hong SK; Koo CH (Investigative and clinical urology, 2026)