DOI: 10.1055/s-00000089

Ultraschall in der Medizin - European Journal of Ultrasound

References

Kagan KO, Wright D, Nicolaides KH.
First-trimester contingent screening for trisomies 21, 18 and 13 by fetal nuchal translucency and ductus venosus flow and maternal blood cell-free DNA testing.

Ultrasound Obstet Gynecol 2015;
45: 42-47

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