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Maternal hemodynamics at 11-13 weeks of gestation and preterm birth.
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Ultrasound Obstet Gynecol 2012;40:35-9. -
A model for a new pyramid of prenatal care based on the 11 to 13 weeks' assessment.
Nicolaides KH.
Prenat Diagn 2011;31:3-6. -
Some thoughts on the true value of ultrasound.
Nicolaides KH.
Ultrasound Obstet Gynecol 2007;30:671-4.