-
Distribution of fetal erythroblasts in maternal blood after chorionic villous sampling.
Al-Mufti R, Hambley H, Farzaneh F, Nicolaides KH.
BJOG 2003;110:33-8. -
Semiquantitative immunohistochemical localisation of PAPP-A and beta-hCG in first trimester chorionic villi from euploid and trisomic pregnancies.
Sebire NJ, Roberts L, Nicolaides KH.
J Pathol 2000;192:30.