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| The Application of Thoracic Paravertebral Nerve Block Combined with General Anesthesia Guided by Ultrasound in Radical Operation of Breast Cancer and Its Effects on Pain and Hemodynamics |
| CHEN Peng, ZHOU Mi, ZHANG Min |
| First-author's address: Department of Anesthesiology, Xingshan Hospital, Zhongnan Hospital of Wuhan University, Yichang 443711, China |
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