The observation on the effect of ropivacaine combined with fentanyl or pentazocine on labor analgesia
DAI Dajun
XU Weili
PAN Zhaorong
YU Jingping
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Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 186-189 )