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Maternal serum insulin-like growth factor-I at 11-13 weeks in preeclampsia.
Sifakis S, Akolekar R, Kappou D, Mantas N, Nicolaides KH.
Prenat Diagn 2010;30:1026-31. -
Maternal and fetal insulin-like growth factors and their binding proteins in the second and third trimesters of human pregnancy.
Langford K, Nicolaides K, Miell JP.
Hum Reprod 1998;13:1389-93.