
Effects of free position combined with epidural pulse analgesia pump on analgesia and delivery of primiparas
LIANG Shu, LI Ying, XIA Lingzhen
Chinese Journal of Family Planning ›› 2020, Vol. 28 ›› Issue (6) : 881-884.
Effects of free position combined with epidural pulse analgesia pump on analgesia and delivery of primiparas
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