(Q47838471)
Statements
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The effect of temporal variation in biochemical markers of trisomy 21 across the first and second trimesters of pregnancy on the estimation of individual patient-specific risks and detection rates for Down's syndrome (English)
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K Spencer
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J A Crossley
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D A Aitken
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A B J Nix
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F D J Dunstan
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K Williams
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1 May 2003
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40
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Pt 3
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219-231
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Identifiers
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