
The analysis of ultrasound soft index combined with non-invasive prenatal DNA testing for fetal chromosomal abnormality screening
HE Xiaojun, MA Yucheng, LENG Pei
Chinese Journal of Family Planning ›› 2019, Vol. 27 ›› Issue (5) : 620.
The analysis of ultrasound soft index combined with non-invasive prenatal DNA testing for fetal chromosomal abnormality screening
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