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中国计划生育学杂志
孕中期妇女血清AFP/hCG临床产前筛查试验研究
孙大光;姜英涛;李欣;张东东;马旭
Research for Screening AFP and β-hCG Using Serum Samples from Gravidas at Mid-gestation Period
. 2003, (11): 674 .