No abstract available
MeSH terms
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Aged
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Colitis, Ulcerative / diagnostic imaging
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Colitis, Ulcerative / drug therapy
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Colitis, Ulcerative / pathology*
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Endoscopy
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Epstein-Barr Virus Infections
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Humans
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Magnetic Resonance Imaging
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Male
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Mercaptopurine / adverse effects
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Mercaptopurine / analogs & derivatives
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Mercaptopurine / therapeutic use
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Rectum / diagnostic imaging
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Rectum / pathology*
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Time Factors
Substances
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azathiopurine
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Mercaptopurine