中国计划生育学杂志
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三维能量超声联合血清AFP、β-hCG检测诊断前置胎盘合并胎盘植入价值
河南省濮阳市妇幼保健院(457000)
The value of three-dimensional energy ultrasonography combined with serum AFP andβ-HCG levels for diagnosing placenta previa complicated with placental implantation
Puyang Maternal and Child Health Care Hospital, Henan Province, 457000