897例高龄孕妇孕早期绒毛组织染色体核型分析

张海霞1 ,梁玥宏2 ,任晨春2 ,王文靖2 ,刘国川2

Analysis on Karyotypes of Villus from 897 Advanced Maternal Ages during the First Trimester of Gestation

天津医药 . 2010, (7): 622 -623 .