硬膜外自控镇痛及关泵时机对产妇第二产程的影响

钟致向,向军

Influence of patient-controlled epidural analgesia and timing of pump closure on the second stage of maternal labor

ZHONG Zhixiang, XIANG Jun

包头医学院学报 . 2017, (9): 60 -62 . DOI: 10.16833/j.cnki.jbmc.2017.09.024