Cost and efficacy comparison of prenatal recall and reflex DNA screening for trisomy 21, 18 and 13

• Jonathan Paul Bestwick ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: j.p.bestwick@qmul.ac.uk

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

  http://orcid.org/0000-0002-3088-8616

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• Nicholas John Wald

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

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

  http://orcid.org/0000-0003-1676-5908

  ⨯