Effect of prone kneeling position in the second stage    of labor on labor analgesia in pregnant women
XU Qingyun, SONG Qinghua, WEI Lin, NING Feng, ZHANG Yunyan
Journal of Baotou Medical College . 2024, (10): 28 -31 .  DOI: 10.16833/j.cnki.jbmc.2024.10.006

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