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A model for a new pyramid of prenatal care based on the 11 to 13 weeks' assessment.
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Prenat Diagn 2011;31:3-6. -
Ductus venosus in the first trimester: contribution to screening of chromosomal, cardiac defects and monochorionic twin complications.
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Fetal Diagn Ther 2010;28:65-71. -
Ductus venosus Doppler at 11 to 13 weeks of gestation in the prediction of outcome in twin pregnancies.
Maiz N, Staboulidou I, Leal AM, Minekawa R, Nicolaides KH.
Obstet Gynecol 2009;113:860-5.