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Ulcerative Colitis Underlying Cause
Ulcerative colitis may be caused by an abnormal immune system, which normally fights infection. The immune system mistakenly attacks the colon, causing inflammation. The cause of the abnormal immune system in ulcerative colitis is unknown. Images

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Last Updated: Jun 26, 2009  References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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