1. Carter MJ, Lobo AJ, Travis SP. IBD Section, British Society of Gastroenterology. Guidelines for the management of inflammatory bowel disease in adults. Gut. 2004. 53:Suppl 5. V1–V16.
2. Stange EF, Travis SP, Vermeire S, et al. European Crohn's and Colitis Organisation. European evidence based consensus on the diagnosis and management of Crohns disease: definitions and diagnosis. Gut. 2006. 55:Suppl 1. i1–i15.
3. Yao T, Matsui T, Hiwatashi N. Crohn's disease in Japan: diagnostic criteria and epidemiology. Dis Colon Rectum. 2000. 43:10 Suppl. S85–S93.
4. Choi CH, Jung SA, Lee BI, Lee KM, Kim JS, Han DS. IBD Study Group of the Korean Association of the Study of Intestinal Diseases. Diagnostic guideline of ulcerative colitis. Korean J Gastroenterol. 2009. 53:145–160.
5. Ye BD, Jang BI, Jeen YT, Lee KM, Kim JS, Yang SK. IBD Study Group of the Korean Association of the Study of Intestinal Diseases. Diagnostic guideline of Crohn's disease. Korean J Gastroenterol. 2009. 53:161–176.
6. Cheon JH, Shin SJ, Kim SW, Lee KM, Kim JS, Kim WH. IBD Study Group of the Korean Association of the Study of Intestinal Diseases. Diagnosis of intestinal Behçet's disease. Korean J Gastroenterol. 2009. 53:187–193.
7. Kim YS, Kim YH, Lee KM, Kim JS, Park YS. IBD Study Group of the Korean Association of the Study of Intestinal Diseases. Diagnostic guideline of intestinal tuberculosis. Korean J Gastroenterol. 2009. 53:177–186.
8. Deutsch DE, Olson AD. Colonoscopy or sigmoidoscopy as the initial evaluation of pediatric patients with colitis: a survey of physician behavior and a cost analysis. J Pediatr Gastroenterol Nutr. 1997. 25:26–31.
9. Fefferman DS, Farrell RJ. Endoscopy in inflammatory bowel disease: indications, surveillance, and use in clinical practice. Clin Gastroenterol Hepatol. 2005. 3:11–24.
10. Nikolaus S, Schreiber S. Diagnostics of inflammatory bowel disease. Gastroenterology. 2007. 133:1670–1689.
11. Plevy S. Do serological markers and cytokines determine the indeterminate? J Clin Gastroenterol. 2004. 38:5 Suppl 1. S51–S56.
12. Konikoff MR, Denson LA. Role of fecal calprotectin as a biomarker of intestinal inflammation in inflammatory bowel disease. Inflamm Bowel Dis. 2006. 12:524–534.
13. Langhorst J, Elsenbruch S, Mueller T, Rueffer A, Spahn G, Michalsen A, et al. Comparison of 4 neutrophil-derived proteins in feces as indicators of disease activity in ulcerative colitis. Inflamm Bowel Dis. 2005. 11:1085–1091.
14. Poullis A, Foster R, Northfield TC, Mendall MA. Review article: faecal markers in the assessment of activity in inflammatory bowel disease. Aliment Pharmacol Ther. 2002. 16:675–681.
15. Vermeire S, Van Assche G, Rutgeerts P. Laboratory markers in IBD: useful, magic, or unnecessary toys? Gut. 2006. 55:426–431.
16. Lee YJ, Yang SK, Byeon JS, et al. Analysis of colonoscopic findings in the differential diagnosis between intestinal tuberculosis and Crohn's disease. Endoscopy. 2006. 38:592–597.
17. Toms AP, Barltrop A, Freeman AH. A prospective randomised study comparing enteroclysis with small bowel follow-through examinations in 244 patients. Eur Radiol. 2001. 11:1155–1160.
18. Bernstein CN, Boult IF, Greenberg HM, van der Putten W, Duffy G, Grahame GR. A prospective randomized comparison between small bowel enteroclysis and small bowel follow-through in Crohn's disease. Gastroenterology. 1997. 113:390–398.
19. Pulimood AB, Peter S, Ramakrishna B, et al. Segmental colonoscopic biopsies in the differentiation of ileocolic tuberculosis from Crohn's disease. J Gastroenterol Hepatol. 2005. 20:688–696.
20. International Study Group for Behçet's Disease. Criteria for diagnosis of Behçet's disease. Lancet. 1990. 335:1078–1080.
21. Mizushima Y. Revised diagnostic criteria for Behçet's disease in 1987. Ryumachi. 1988. 28:66–70.
22. Cheon JH, Han DS, Park JY, et al. Korean IBD Study Group. Development, validation, and responsiveness of a novel disease activity index for intestinal Behçet's disease. Inflamm Bowel Dis. 2011. 17:605–613.
23. Kalvaria I, Kottler RE, Marks IN. The role of colonoscopy in the diagnosis of tuberculosis. J Clin Gastroenterol. 1988. 10:516–523.
24. Bhargava DK, Kushwaha AK, Dasarathy S, Shriniwas , Chopra P. Endoscopic diagnosis of segmental colonic tuberculosis. Gastrointest Endosc. 1992. 38:571–574.
25. Marshall JB. Tuberculosis of the gastrointestinal tract and peritoneum. Am J Gastroenterol. 1993. 88:989–999.
26. Lingenfelser T, Zak J, Marks IN, Steyn E, Halkett J, Price SK. Abdominal tuberculosis: still a potentially lethal disease. Am J Gastroenterol. 1993. 88:744–750.
27. Ko BS, Kim BG, Kim JS, Jung HC, Song IS. A case of cure with secondary rescue regimen of tuberculosis in a patient with tuberculous colitis that failed to respond to primary drugs. Korean J Gastroenterol. 2002. 39:299–303.
28. Yun SK, Jung IK, Kim HS, et al. A case of colonic tuberculosis cured by secondary anti-tuberculosis medicine. Korean J Gastrointest Endosc. 1998. 18:591–596.