(Q41187413)
Statements
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Predicting pregnancy outcome by the observation of a gestational sac or of early fetal cardiac motion with transvaginal ultrasonography (English)
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G F Rosen
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P D Silva
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P Patrizio
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R H Asch
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B Yee
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1 August 1990
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1 reference
54
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2
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260-264
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Identifiers
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