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[简介]
髂内动脉阻塞预防高危妊娠出血：概要
日期：2021-12-22 14:54:21
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Placenta previa is a type of placenta that extends partially or completely over the internal cervical oss [1]. 前置胎盘是胎盘部分或完全延伸到宫颈内的胎盘[1]。 Placenta previa is one of the leading causes of widespread postpartum hemorrhage...
