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Authors
Liu, Zhichao
Zhang, Zhiguo
Wang, Jie
Fan, Jianjun
Wang, Xu
Cao, Chengjun
Han, Dianwei
Zhong, Hao
Zhao, Meimei
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Clinical Trials BETA
Clinical trials referenced in this document:
chictr2500101509 at Chinese Clinical Trial RegistryDocuments that mention this clinical trial
Epidural hydromorphone–ropivacaine for post-episiotomy analgesia in primiparous women: a randomized controlled trial
https://doi.org/10.1186/s40001-026-04467-w
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Article History
Received: 25 September 2025
Accepted: 10 April 2026
First Online: 22 April 2026
Declarations
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: This study was conducted in accordance with the Declaration of Helsinki and approved by the Ethics Committee of The Third Hospital of Baogang Group. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.
