48. CELIAC PLEXUS BLOCK COMBINED WITH ERECTOR SPINAE PLANE BLOCK FOR ANALGESIA AFTER PANCREATICODUODENECTOMY: A FIVE-CASE REPORT. YHCĐ. 2025;66(CĐ13- HNKH Gây mê Hồi sức). doi:10.52163/yhc.v66iCD13.3214