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Authors
Lv, Shun
Sun, Defeng
Li, Jinglin
Yang, Lin
Sun, Zhongliang
Feng, Yan
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Clinical Trials BETA
Clinical trials referenced in this document:
chictr2000031506 at Chinese Clinical Trial RegistryDocuments that mention this clinical trial
Anesthetic effect of different doses of butorphanol in patients undergoing gastroscopy and colonoscopy
https://doi.org/10.1186/s12893-021-01262-8
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Article History
Received: 20 February 2021
Accepted: 19 May 2021
First Online: 27 May 2021
Declarations
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: This prospective experimental study was carried out at the Endoscopic Center of Jinpu Hospital, Dalian Medical University, between March and September 2019, following the approval of the Medical Ethics Committee (code: PJ-KS-KY-2019-28). Written informed consent were obtained from the patients or their guardians.
: Written informed consent was obtained from the patients or their guardians for publication.
: The authors declare that they have no competing interests.
