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Zhonghua Yi Xue Za Zhi|March 23, 2011
[First trimester and second-trimester integrated screening for Down's syndrome]Zheng-you Miao, Xia Liu, Tong-kun Shi, et al.
Journal of Medical Screening|June 2, 2012
First trimester, second trimester, and integrated screening for Down's syndrome in ChinaZheng-You Miao, Xia Liu, Tong-Kun Shi, et al.
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