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Placental growth factor in prediction of stillbirths at 11-13 weeks.
Akolekar R, Machuca M, Mendes M, Paschos V, Nicolaides KH.
Ultrasound Obstet Gynecol 2016;48:618-623. pdf -
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.