Di Stefano, M Meal induced rectosigmoid tone modification: a low caloric meal accurately separates functional and organic gastrointestinal disease patients. [electronic resource] - Gut Oct 2006 - 1409-14 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1468-3288 Standard No.: 10.1136/gut.2005.076323 doi Subjects--Topical Terms: AdultCaloric RestrictionCase-Control StudiesColon, Sigmoid--physiologyConstipation--etiologyDiarrhea--etiologyFasting--physiologyFemaleFoodHumansIrritable Bowel Syndrome--diagnosisMaleMiddle AgedPostprandial PeriodProspective StudiesRectum--physiology