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   Xiaodong Xu et al, 2023, Drug Design, Development and Therapy CrossRef
3. Effect of butorphanol tartrate combined with dexmedetomidine on postoperative analgesia
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4. Effect of Multimodal Analgesia on Intraoperative Opioid Use and Postoperative Rehabilitation in Elderly Patients Undergoing Abdominal Surgery
   娟 杜, 2023, Advances in Clinical Medicine CrossRef