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Influence of maternal smoking on the birth prevalence of Down syndrome and on second trimester screening performance |
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| Authors: | Alicja R Rudnicka Nicholas J Wald Wayne Huttly Allan K Hackshaw |
| Institution: | Department of Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Charterhouse Square, London EC1M 6BQ, UK |
| Abstract: | |
| Keywords: | Down syndrome maternal smoking alphafetoprotein unconjugated estriol human chorionic gonadotrophin inhibin-A prenatal screening |