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First-trimester maternal serum PAPP-A, SP1 and M-CSF levels in normal and trisomic twin pregnancies.
Bersinger NA, Noble P, Nicolaides KH.
Prenat Diagn 2003;23:157-62. -
Urinary beta-core hCG: screening for aneuploidies in early pregnancy (11-14 weeks gestation)
Macintosh MC, Nicolaides KH, Noble P, Chard T, Gunn L, Illes R.
Prenat Diagn 1997;17:401-5. -
Maternal platelet size as a marker for fetal trisomies 18 and 13.
Thilaganathan B, Meher-Homji NJ, Nicolaides KH.
Prenat Diagn 1995;15:605-8. -
Neutrophil and monocyte beta 2-integrin expression in trisomic fetuses.
Makrydimas G, Thilaganathan B, Plachouras N, Nicolaides KH.
Prenat Diagn 1995;15:325-7. -
Maternal serum Schwangerschafts protein-1 (SP1) and fetal chromosomal abnormalities at 10-13 weeks' gestation.
Brizot ML, Bersinger NA, Xydias G, Snijders RJ, Nicolaides KH.
Early Hum Dev 1995;43:31-6.