No abstract available
MeSH terms
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Alleles
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Antimetabolites / therapeutic use
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Central Nervous System Neoplasms / epidemiology*
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Central Nervous System Neoplasms / etiology
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Child
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Germany / epidemiology
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Humans
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Incidence
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Mercaptopurine / therapeutic use
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Methyltransferases / genetics*
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Neoplasms, Radiation-Induced / epidemiology*
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Neoplasms, Second Primary / epidemiology*
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Neoplasms, Second Primary / etiology
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Polymorphism, Genetic
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Precursor Cell Lymphoblastic Leukemia-Lymphoma / radiotherapy*
Substances
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Antimetabolites
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Mercaptopurine
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Methyltransferases
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thiopurine methyltransferase