椎管内镇痛对孕妇臀位外倒转术的辅助疗效
李海冰，方昕，赵青松，等
Assistant therapeutic effect of external cephalic version under intrathecal anesthesia for breech position pregnant women
LI Hai-bing, FANG Xin, ZHAO Qin-song, et al
上海交通大学学报（医学版）
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2016, (1): 89
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DOI: 10.3969/j.issn.1674-8115.2016.01.018
