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Screening for fetal aneuploidies at 11 to 13 weeks.
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Prenat Diagn 2011;31:7-15. -
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. -
Prenasal thickness in trisomy-21 fetuses at 16-24 weeks of gestation.
Persico N, Borenstein M, Molina F, Azumendi G, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:751-4.