No abstract available
MeSH terms
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Aged
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Aging*
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Cell Biology*
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Colitis*
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Colitis, Ulcerative*
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Colonic Neoplasms*
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Fluorouracil*
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Humans
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Mechlorethamine*
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Methotrexate*
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Neoplasms / diagnosis*
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Neoplasms / epidemiology*
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Pathology*
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Polyps*
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Radiography*
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Surgical Procedures, Operative*
Substances
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Mechlorethamine
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Fluorouracil
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Methotrexate