唐氏综合征筛查指标MoM值的正态性研究-医学论文_范文家(fwjia.COM) Keywords】 Downs syndrome; prenatal screening; normality; Johnson distribution system [gap=299]关键词】 唐氏综合征;产前筛查;正态性;Johnson分布体...
Objective: to evaluate the disease burden of DownsSyndrome (DS) both to the patient and to the family by qualitative study, and to provide references for policy making.