First trimester screening for Down syndrome using nuchal translucency,maternal serum pregnancy-associated plasma protein A,free-β human chorionic gonadotrophin,placental growth factor,and α-fetoprotein 期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

First trimester screening for Down syndrome using nuchal translucency,maternal serum pregnancy-associated plasma protein A,free-β human chorionic gonadotrophin,placental growth factor,and α-fetoprotein

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