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中文
Application effect of preoperative preemptive analgesia combined with nerve block guided by B-mode ultrasound for analgesia in children undergoing abdominal surgery during perioperative period
ZHANG Ming-min, PANG Bo
Journal of Hebei Medical University . 2021, (
4
): 466 -469 . DOI: 10.3969/j.issn.1007-3205.2021.04.020
