(Q43507210)
Statements
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The impact of fetal gender on first trimester nuchal translucency and maternal serum free beta-hCG and PAPP-A MoM in normal and trisomy 21 pregnancies (English)
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Kypros H Nicolaides
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Nicholas J Cowans
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Anastasia Stamatopoulou
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Kevin Spencer
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1 June 2009
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29
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6
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578-581
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Identifiers
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