(Q46041610)
Statements
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A comparison of LMP-based and ultrasound-based estimates of gestational age using linked California livebirth and prenatal screening records (English)
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Patricia M Dietz
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Lucinda J England
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William M Callaghan
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Michelle Pearl
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Megan L Wier
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Martin Kharrazi
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1 September 2007
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21 Suppl 2
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62-71
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Identifiers
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