No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Child, Preschool
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Denmark / epidemiology
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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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Precursor Cell Lymphoblastic Leukemia-Lymphoma / epidemiology*
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Precursor Cell Lymphoblastic Leukemia-Lymphoma / etiology
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Pregnancy
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Pregnancy Complications, Infectious*
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Registries*
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Risk Factors
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Seasons*