Journal List HHS Author Manuscripts PMC3491806 As a library, NLM provides access to scientific literature. Inclusion in an NLM database does not imply endorsement of, or agreement with, the contents by NLM or the National Institutes of Health. Learn more: PMC Disclaimer | PMC Copyright Notice N Engl J Med. Author manuscript; available in PMC 2012 Nov 7.Published in final edited form as:N Engl J Med. 2009 Nov 19; 361(21): 2066–2078. doi:10.1056/NEJMra0804647PMCID: PMC3491806NIHMSID: NIHMS233339PMID: 19923578Clara Abraham, M.D. and Judy H. Cho, M.D.Author information Copyright and License information PMC DisclaimerThe publisher's final edited version of this article is available free at N Engl J MedThe idiopathic inflammatory bowel diseases comprise two types of chronic intestinal disorders: Crohn’s disease and ulcerative colitis. Accumulating evidence suggests that inflammatory bowel disease results from an inappropriate inflammatory response to intestinal microbes in a genetically susc...
