1. P621 Lactose intolerance assessed by analysis of genetic polymorphism, breath test and symptoms in patients with inflammatory bowel disease. (27th May 2021) Authors: Nardone, O M; Manfellotto, F; D'Onofrio, C; Rocco, A; Annona, G; Sasso, F; De Luca, P; Imperatore, N; Testa, A; de Sire, R; Biffali, E; Castiglione, F Journal: Journal of Crohn's and colitis Issue: Volume 15(2021)Supplement 1 Page Start: S561 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗