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| The Effect of Ultrasound-guided Lumbar Sacral Plexus Block Combined with General Anesthesia on Anesthesia Efficacy and Postoperative Cognitive Function in Elderly Patients Undergoing Femoral Head Replacement |
| ZHENG Longjiao, JIANG Wei |
| First-author's address: Department of Anesthesiology, Wuxi Huishan District People's Hospital, Wuxi 214000, China |
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