No abstract available
Publication types
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Clinical Trial
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Comparative Study
MeSH terms
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Administration, Oral
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Adult
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Aged
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Colorectal Neoplasms / drug therapy*
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Dose-Response Relationship, Drug
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Humans
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Middle Aged
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Neoplasms / drug therapy*
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Tretinoin / pharmacokinetics
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Tretinoin / therapeutic use*
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Tretinoin / toxicity*