to determine whether the abnormal permeability is uniquely detectable by polyethylene glycol 400 , we studied the intestinal permeability of three new probes ( lactulose , rhamnose , and mannitol ) in 25 patients with crohn 's disease , 41 of their healthy relatives , and 29 normal controls without a family history of inflammatory bowel disease .
C0021853
intestinal
C0010346
crohn 's disease