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Prenatal detection of fetal triploidy from cell-free DNA testing in maternal blood.
Nicolaides KH, Syngelaki A, Del Mar Gil M, Soledad Quezada M, Zinevich Y.
Fetal Diagn Ther 2014;35:212-7. pdf -
Cell-free DNA levels in pregnancies at risk of sickle-cell disease and significant ethnic variation.
Gerovassili A, Nicolaides KH, Thein SL, Rees DC.
Br J Haematol 2006;135:738-41.