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Endothelial nitric oxide synthase gene polymorphism (Glu298Asp) and development of pre-eclampsia: a case-control study and a meta-analysis.
Yu CKh, Casas JP, Savvidou MD, Sahemey MK, Nicolaides KH, Hingorani AD.
BMC Pregnancy Childbirth 2006;6:7. -
Maternal serum S100 protein in normal and Down syndrome pregnancies.
Abraha HD, Noble PL, Nicolaides KH, Sherwood RA.
Prenat Diagn 1999;19:334-6.