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The impact of correcting for smoking status when screening for chromosomal anomalies using maternal serum biochemistry and fetal nuchal translucency thickness in the first trimester of pregnancy |
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| Authors: | Kevin Spencer Renu Bindra Anna Maria Cacho Kypros H Nicolaides |
| Institution: | 1. Clinical Biochemistry Department, Harold Wood Hospital, Gubbins Lane, Romford, Essex, UK;2. Harris Birthright Research Centre for Fetal Medicine, Kings College Hospital, Denmark Hill, London, UK |
| Abstract: | |
| Keywords: | prenatal screening nuchal translucency Down syndrome trisomy 21 PAPP-A free β-hCG |