(Q46720582)
Statements
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Clinical factors affecting the accuracy of ultrasonography in symptomatic first-trimester pregnancy (English)
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Kurt T Barnhart
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Courtney A Fay
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Maria Suescum
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Mary D Sammel
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Dina Appleby
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Alka Shaunik
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Anthony J Dean
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1 February 2011
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117
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2 Pt 1
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299-306
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