中国计划生育学杂志
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三维超声联合妊娠相关血浆蛋白A诊断胎盘植入价值
承德医学院附属医院(067000)
Value of three-dimensional ultrasonography combined with pregnancy associated plasma protein A for diagnosing placental implantation
Affiliated Hospital of Chengde Medical College, Hebei Province, 067000