No abstract available
MeSH terms
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Animals
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Female
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Fetal Development
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Humans
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Liver / embryology
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Liver / pathology*
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Pregnancy
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Pregnancy Trimester, First
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Rats
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Risk Assessment
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Time Factors
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Ultrasonography, Doppler, Color / adverse effects*
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Ultrasonography, Doppler, Color / instrumentation
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Ultrasonography, Doppler, Color / methods
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Ultrasonography, Prenatal / adverse effects*
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Ultrasonography, Prenatal / instrumentation
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Ultrasonography, Prenatal / methods