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Antenatal Screening for Down Syndrome Using Serum Placental Growth Factor with the Combined, Quadruple, Serum Integrated and Integrated Tests
Wald NJ,
Bestwick JP,
George LM,
Huttly WJ
(2012)
Antenatal Screening for Down Syndrome Using Serum Placental Growth Factor with the Combined, Quadruple, Serum Integrated and Integrated Tests.
PLOS ONE 7(10): e46955.
https://doi.org/10.1371/journal.pone.0046955