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Maternal serum vitamin D at 11-13 weeks in pregnancies delivering small for gestational age neonates.
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Fetal Diagn Ther 2012;31:103-8. -
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. -
Turning the pyramid of prenatal care.
Nicolaides KH.
Fetal Diagn Ther 2011;29:183-96.