Prenatal cytogenetic diagnosis study of 2782 cases of high-risk pregnant women

来源 :中华医学杂志英文版 | 被引量 : 0次 | 上传用户:liongliong421
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
其他文献
采用不同剂量(0~300 Gy)的60Co-γ射线辐照乌拉尔甘草(Glycyrrhiza uralensis)种子,研究辐照处理对乌拉尔甘草种子在不同浓度Na2SO4(0~400 mmol·L-1)胁迫下发芽率、累积发芽
针对焊接工艺应用于高体积分数SiC/Al复合材料的不成熟性研究了焊接工艺应用于航天遥感器机身结构的的稳定性。根据光学设计公差分析结果和机身的结构形式,提出了通过运用经
某型红外空空导弹导引头的КΦ系数超差问题较为突出,对同一大小的Φ角,若在空间的相位不同,其在导弹制导通道上耦合的影响程度(即КФ系数)相差较大。本文通过研究导引头陀
利用分子标记检测的方法,对不同水稻品种间的淀粉合成相关基因的基因型进行了系统筛选。结果显示,淀粉合成相关基因在籼粳亚种间表现出较好的多态性,在籼亚种内存在较大变异,在粳
Patients with diabetes mellitus have an increased incidence of atherosclerotic vascular disease and infection involving the lower extremities.Lower limb arteria
Background Classic mastoidectomy and modified mastoidectomy are traditional surgical procedures for middle ear cholesteatoma with goals of eradicating diseases,
Background The main risk factor for chronic obstructive pulmonary disease (COPD) is cigarette smoking. However, only 10%-20% of chronic heavy smokers develop sy
Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary thrombo-embolism (PTE), carries significant mortality and morbidity. As a resul
Three-dimensional crack closure correction methods are investigated in this paper.The fatigue crack growth tests of surface cracks in 14MnNbq steel for bridge p
AIM: To report the incidence of non-small-bowel bleeding pathologies encountered during double-balloon enteroscopy (DBE) procedures and to analyse their signifi