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 12 / genetics*
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Chromosomes, Human, Pair 21 / genetics*
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Female
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Humans
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Infant
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Leukemia, B-Cell / genetics*
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Leukemia, B-Cell / pathology
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Male
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Pakistan
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Precursor Cell Lymphoblastic Leukemia-Lymphoma / genetics*
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Translocation, Genetic / genetics*