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| Application Effect of Transcutaneous Electrical Acupoint Stimulation in the Elderly Patients with General Anesthesia for Orthopedic Surgery and Its Influence on Oxygen Metabolism and Cognitive State |
| ZHOU Na, LU Feifei, FENG Xiumei, WANG Dan |
| First-author's address: Department of Anesthesiology, Xuzhou Traditional Chinese Medicine Hospital, Xuzhou 221000, China |
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