-
Screening for fetal abnormalities in multiple pregnancies.
Sebire NJ, Nicolaides KH.
Baillieres Clin Obstet Gynaecol 1998;12:19-36. -
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.