Nguyễn MD, Nguyễn ĐT, Vũ TA, et al. POSTOPERATIVE ANALGESIC FOR APPENDECTOMY USING ULTRASOUND-GUIDED TRANSVERSUS ABDOMINIS PLANE BLOCK AT THE VIETNAM LEVEL 2 FIELD HOSPITAL (BENTIU, SOUTH SUDAN). JPMP175. 2025;(43):11. doi:10.59354/ydth175.2025.407