第二产程低流量吸氧对妊娠结局的影响
李海英1，段丽红1*，李清雪1，李〓红2，方〓芳1
The effect of maternal low flow oxygen administration during the second stage of labor on pregnancy outcome#br#
LI Haiying1, DUAN Lihong1*, LI Qingxue1, LiHong2, FANG Fang1
河北医科大学学报
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2018, (6): 680
-683
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DOI: 10.3969/j.issn.10073205.2018.06.015
