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First trimester maternal serum free beta human chorionic gonadotrophin and pregnancy associated plasma protein A as predictors of pregnancy complications.
Ong CY, Liao AW, Spencer K, Munim S, Nicolaides KH.
BJOG 2000;107:1265-70. -
Increased fetal erythroblasts in women who subsequently develop pre-eclampsia.
Al-Mufti R, Hambley H, Albaiges G, Lees C, Nicolaides KH.
Hum Reprod 2000;15:1624-8.