No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Drug Resistance
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Folic Acid Antagonists
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Humans
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Methotrexate / administration & dosage*
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Methotrexate / metabolism
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Neoplasms / drug therapy*
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Thymidylate Synthase / analysis
Substances
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Folic Acid Antagonists
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Thymidylate Synthase
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Methotrexate