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- [4] First-Trimester Screening for Down Syndrome in Singleton Pregnancies Achieved by Intrauterine Insemination Journal of Assisted Reproduction and Genetics, 2003, 20 : 327 - 331
- [8] The analysis of second-trimester triple screening for Down syndrome in Chinese normal singleton pregnancies SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION, 2012, 72 (08): : 642 - 647