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孕早期胎儿颈部透明层厚度和鼻骨长度联合检测筛查唐氏综合征的临床价值
朱艺玲,唐莉,杨小花等
Measurements of fetal nuchal translucency and nasal bone in first-trimester screening for Down syndrome
Zhu Yiling, Tang Li, Yang Xiaohua, et al
中国计划生育学杂志 . 2014, (2): 98 .