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A model for a new pyramid of prenatal care based on the 11 to 13 weeks' assessment.
Nicolaides KH.
Prenat Diagn 2011;31:3-6. -
The influence of parity and gravidity on first trimester markers of chromosomal abnormality.
Spencer K, Ong CYT, Liao AWJ, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:792-4. -
One stop clinic for assessment of risk for fetal anomalies: a report of the first year of prospective screening for chromosomal anomalies in the first trimester.
Spencer K, Spencer CE, Power M, Moakes A, Nicolaides KH.
BJOG 2000;107:1271-5.