摘要
1论文题目及原文摘要Screening for fetal aneuploidies at11to13weeks Effective screening for major aneuploidies can be providedin the first tri mester of pregnancy.Screening by a combination of fetal nuchal translucency and maternal serum free-β-human chorionic gonadotrophin and pregnancyassociated
出处
《中国产前诊断杂志(电子版)》
2011年第2期37-40,共4页
Chinese Journal of Prenatal Diagnosis(Electronic Version)