1. Irritable bowel syndrome;Thompson;Gastroenterol Int,1989
2. Identification of sub-groups of functional gastrointestinal disorders;Drossman;Gastroenterol Int,1990
3. Functional bowel disorders and functional abdominal pain;Thompson;Gastroenterol Int,1992
4. Functional bowel disorders and functional abdominal pain;Thompson;Gut,1999
5. Towards positive diagnosis of the irritable bowel;Manning;BMJ,1978