Effect of transversus abdominis plane block combined with intravenous esketamine on analgesia after cesarean section in elderly parturients

Yang Wenchao, Li Yongcheng, Chen Qingze, Tu Yuanyan
International Medicine and Health Guidance News . 2023, (24): 3653 -3656 .  DOI: 10.3760/cma.j.issn.1007-1245.2023.24.027

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