Effect of different block methods on anesthesia in elderly patients with intertrochanteric fractures of the femurs

Yang Tingjia, Wang Hongwei, Duan Zhiqiang
International Medicine and Health Guidance News . 2023, (20): 2911 -2914 .  DOI: 10.3760/cma.j.issn.1007-1245.2023.20.018

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