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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Colorectal Neoplasms / genetics*
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Drug Resistance, Neoplasm* / genetics
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ErbB Receptors / antagonists & inhibitors*
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ErbB Receptors / metabolism
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Humans
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Male
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Middle Aged
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Mutation / genetics*
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Proto-Oncogene Proteins p21(ras) / genetics*
Substances
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ErbB Receptors
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HRAS protein, human
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Proto-Oncogene Proteins p21(ras)