26. ANALGESIC EFFICACY OF ULTRASOUND-GUIDED FASCIA ILIACA COMPARTMENT BLOCK COMPARED TO INTRATHECAL MORPHINE AFTER PROXIMAL FEMORAL FRACTURE SURGERY. (2025). Vietnam Journal of Community Medicine, 66(CĐ13- HNKH Gây mê Hồi sức). https://doi.org/10.52163/yhc.v66iCD13.3193