Modification in the xylose absorption test as an index of intestinal function.
D002446:Celiac Disease / Q000652:urine*; D005743:Gastrectomy; D006801:Humans; D008286:Malabsorption Syndromes / Q000652:urine*; D014994:Xylose / Q000652:urine*
D014994:Xylose