TY - JOUR T1 - Intestinal permeability: the cellobiose/mannitol test JF - Gut JO - Gut SP - 312 LP - 312 DO - 10.1136/gut.49.2.312 VL - 49 IS - 2 AU - R M CRAIG Y1 - 2001/08/01 UR - http://gut.bmj.com/content/49/2/312.1.abstract N2 - Editor,—I should like to bring to your attention a conceptual error in the paper by Danieleet al ((2001) Gut 48:28–33; OpenUrlCrossRefPubMedWeb of Science) regarding the cellobiose/mannitol test. The authors suggest that improvement in the cellobiose/mannitol ratio reflects improvement in permeability from the use of oral glutamine. However, only mannitol excretion improved significantly with glutamine; cellobiose excretion remained unchanged. As … ER -