DOI:
10.1055/s-00000089
Ultraschall in der Medizin - European Journal of Ultrasound
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References
Ashoor G, Syngelaki A, Poon LCY. et al.
Fetal fraction in maternal plasma cell-free DNA at 11–13 weeks’ gestation: relation to maternal and fetal characteristics.
Ultrasound Obstet Gynecol 2013;
41: 26-32
Ashoor G, Syngelaki A, Poon LCY et al.
Fetal fraction in maternal plasma cell-free DNA at 11–13 weeks’ gestation: relation to maternal and fetal characteristics.
Ultrasound Obstet Gynecol 2013;
41: 26-32
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