No abstract available
MeSH terms
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Azathioprine / therapeutic use*
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Colitis, Ulcerative / drug therapy*
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Drug Resistance*
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Drug Therapy, Combination
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Humans
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Immunosuppressive Agents / therapeutic use
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Mercaptopurine / therapeutic use*
Substances
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Immunosuppressive Agents
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Mercaptopurine
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Azathioprine