DOI:
10.1055/s-00000142
Frauenheilkunde up2date
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References
Kagan KO, Valencia C, Livanos P. et al.
Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11 + 0 to 13 + 6 weeks of gestation.
Ultrasound Obstet Gynecol 2009;
33: 18-22
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