1Mertz HR. Irritable bowel syndrome[J]. N Engl J Med 2003,349:2136- 2146.
2Cha g FY, Lu CL. Irritable bowel syndrome in the 21st century: Perspectives from Asia or South- east Asia [J]. J Gastro enterol Hepatol 2007,22 : 4- 12.
3Vandvik PO, Lydersen S, Farup PG. Prevalence, comorbidity and impact of irritable bowel syndrome in Norway[J]. Seand J Gastro enterol 2006, 41: 650- 656.
