No abstract available
MeSH terms
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Child, Preschool
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Chromosomes, Human, Pair 20 / genetics*
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Chromosomes, Human, Pair 22 / genetics*
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Chromosomes, Human, Pair 6 / genetics*
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Humans
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Male
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Polymorphism, Genetic*
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Telomere / genetics*
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Translocation, Genetic / genetics*
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Trisomy / diagnosis
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Trisomy / genetics*