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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. -
Maternal serum 25-hydroxyvitamin D levels at 11(+0) -13(+6) weeks in pregnant women with diabetes mellitus and in those with macrosomic neonates.
Savvidou M, Akolekar R, Samaha R, Masconi A, Nicolaides Kh.
BJOG 2011;118:951-5.