No abstract available
MeSH terms
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Adult
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Anal Canal / diagnostic imaging
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Anal Canal / embryology
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Anus, Imperforate / diagnostic imaging*
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Anus, Imperforate / embryology
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Diseases in Twins / diagnosis*
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Diseases in Twins / embryology
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Female
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Fetal Diseases / diagnostic imaging*
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Fetal Diseases / embryology
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Humans
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Pregnancy
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Rectovaginal Fistula / diagnostic imaging
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Rectovaginal Fistula / embryology
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Scoliosis / diagnostic imaging
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Scoliosis / embryology
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Twins, Monozygotic*
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Ultrasonography, Prenatal*