dietary intakes of two groups of gastrointestinal patients , one group with inflammatory bowel disease ( ibd ) -- crohn 's disease or chronic ulcerative colitis -- and the other with functional disorders ( fd ) -- irritable bowel syndrome , nonulcer dyspepsia , or gastroesophageal reflux disease , were assessed by means of 48-hour recalls .
C0021390
inflammatory bowel disease
C0010346
crohn 's disease