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Prediction of gestational diabetes mellitus by maternal factors and biomarkers at 11 to 13 weeks.
Nanda S, Savvidou M, Syngelaki A, Akolekar R, Nicolaides KH.
Prenat Diagn 2011;31:135-41. -
Maternal serum S100 protein in normal and Down syndrome pregnancies.
Abraha HD, Noble PL, Nicolaides KH, Sherwood RA.
Prenat Diagn 1999;19:334-6.