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Open Access

Peer-reviewed

Research Article

Antenatal Screening for Down Syndrome Using Serum Placental Growth Factor with the Combined, Quadruple, Serum Integrated and Integrated Tests

  • Nicholas J. Wald ,

    n.j.wald@qmul.ac.uk

    Affiliation Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

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  • Jonathan P. Bestwick,

    Affiliation Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

    ⨯
  • Lynne M. George,

    Affiliation Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

    ⨯
  • Wayne J. Huttly

    Affiliation Wolfson Institute of Preventive Medicine, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

    ⨯

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