No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Chromosomes, Human, Pair 18 / genetics*
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Digestive System Abnormalities / genetics
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Digestive System Abnormalities / pathology*
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Female
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Humans
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Infant
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Infant, Newborn
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Male
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Syndrome
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Trisomy / genetics
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Trisomy / pathology*