scholarly journals A Systematic Review and Meta-Analysis of Randomized Controlled Trials of Labor Epidural Analgesia Using Moderately High Concentrations of Plain Local Anesthetics versus Low Concentrations of Local Anesthetics with Opioids

2021 ◽  
Vol Volume 14 ◽  
pp. 1303-1313
Author(s):  
Li Zhang ◽  
Yirui Hu ◽  
Xianren Wu ◽  
Michael J Paglia ◽  
Xiaopeng Zhang
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