No abstract available
MeSH terms
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Antineoplastic Combined Chemotherapy Protocols / therapeutic use*
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Colonic Neoplasms / drug therapy*
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Colonic Neoplasms / mortality
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Colonic Neoplasms / surgery
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Combined Modality Therapy
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Fluorouracil / administration & dosage
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Heparin / therapeutic use*
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Humans
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Rectal Neoplasms / drug therapy*
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Rectal Neoplasms / mortality
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Rectal Neoplasms / surgery