percutaneous umbilical blood sampling

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1.	经皮脐带血取样经皮脐带血取样(percutaneous umbilical blood sampling)发生流产,或子宫外孕,或中止怀孕者:若发生在於怀孕13周时或13周以 … www.china-rh.com.cn
2.	经皮脐带血采样医学单字 ... Percussion 叩诊 Percutaneous umbilical blood sampling 经皮脐带血采样 Perforation 穿孔 ... chen6573.myweb.hinet.net
3.	穿皮脐带血液抽样法 www.dictall.com