宫颈扩张球囊在晚期妊娠引产术中的应用效果
张晗英, 魏卫红, 徐晓波
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ZHANG Hanying, WEI Weihong, XU Xiaobo.
中国临床护理 . 2017, (5): 413 -415 .  DOI: 10.3969/j.issn.1674-3768.2017.05.015