中国计划生育学杂志
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游离β-hCG联合超声颅内透明层检测对孕中期胎儿神经管畸形的筛查价值
北京中医医院顺义医院(101300)
The value of free-hCG detection combined with ultrasound intracranial transparent layer for screening fetal neural tube malformations during the second trimester of pregnancy
Shunyi Hospital of Beijing Hospital of Traditional Chinese Medicine, Beijing, 101300