Many Patients With Irritable Bowel Syndrome Have Atypical Food Allergies Not Associated With Immunoglobulin E

Fritscher-Ravens, Annette; Pflaum, Theresa; Mösinger, Marie; Ruchay, Zino; Röcken, Christoph; Milla, Peter J.; Das, Melda; Böttner, Martina; Wedel, Thilo; Schuppan, Detlef