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Body Mass Index at 11-13 Weeks' Gestation and Pregnancy Complications.
Syngelaki A, Bredaki FE, Vaikousi E, Maiz N, Nicolaides KH.
Fetal Diagn Ther 2011;30:250-65. -
First-Trimester Screening for Trisomy 21 Using Alpha-Fetoprotein.
Bredaki FE, Wright D, Matos P, Syngelaki A, Nicolaides KH.
Fetal Diagn Ther 2011;30:215-8.