No abstract available
MeSH terms
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Antineoplastic Agents / adverse effects
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Cytoprotection*
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Humans
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Leucovorin / pharmacology*
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Methotrexate / adverse effects
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Osteosarcoma / drug therapy
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Vitamin B Complex / pharmacology*
Substances
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Antineoplastic Agents
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Vitamin B Complex
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Leucovorin
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Methotrexate