No abstract available
MeSH terms
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Adolescent
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Antimetabolites, Antineoplastic / poisoning*
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Bone Neoplasms / drug therapy
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Humans
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Male
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Methotrexate / poisoning*
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Osteosarcoma / drug therapy
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Poisoning / blood
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Poisoning / drug therapy
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gamma-Glutamyl Hydrolase / pharmacology
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gamma-Glutamyl Hydrolase / therapeutic use*
Substances
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Antimetabolites, Antineoplastic
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gamma-Glutamyl Hydrolase
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Methotrexate