No abstract available
MeSH terms
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Antineoplastic Combined Chemotherapy Protocols / therapeutic use*
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Colorectal Neoplasms / drug therapy
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Digestive System Neoplasms / drug therapy*
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Esophageal Neoplasms / drug therapy
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Humans
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Liver Neoplasms / drug therapy
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Pancreatic Neoplasms / drug therapy
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Stomach Neoplasms / drug therapy