No abstract available
MeSH terms
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Child, Preschool
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Humans
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Leukemia, Lymphoid / enzymology*
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Leukemia, Myeloid, Acute / enzymology*
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Pentosyltransferases / blood*
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Purine-Nucleoside Phosphorylase / blood*
Substances
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Pentosyltransferases
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Purine-Nucleoside Phosphorylase