First and second trimester antenatal screening for Down's syndrome: the results of the Serum, Urine and Ultrasound Screening Study (SURUSS)

• N.J. Wald,
• C. Rodeck,
• A.K. Hackshaw,
• J. Walters,
• L. Chitty,
• A.M. Mackinson

Affiliations

N.J. Wald

Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Bart's and the London School of Medicine and Dentistry, UK

C. Rodeck

Department of Obstetrics and Gynaecology, University College and Middlesex School of Medicine, University College London, UK

A.K. Hackshaw

Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Bart's and the London School of Medicine and Dentistry, UK

J. Walters

Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Bart's and the London School of Medicine and Dentistry, UK

L. Chitty

Department of Obstetrics and Gynaecology, University College and Middlesex School of Medicine, University College London, UK

A.M. Mackinson

Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Bart's and the London School of Medicine and Dentistry, UK, and Department of Obstetrics and Gynaecology, University College and Middlesex School of Medicine, University College London, UK