Efficacy of ultrasound-guided external oblique plane block for postoperative analgesia after upper abdominal surgeries
ZHU Xiao-bing, WU Lun, YANG Tong, ZHANG Xi-yang
Journal of Hebei Medical University . 2023, (5): 584 -588 .  DOI: 10.3969/j.issn.1007-3205.2023.05.017