Background A study of prenatal genetic diagnosis for 22q11.2 mierodeletion, which has a wide phenotypic spectrum that in......

目的分析以羊水细胞进行胎儿ABO血型基因分型及其可行性分析。方法妊娠16周孕妇抽取羊水,从羊水细胞中提取DNA,采用PCR-SSCP技术,......