AF.75 SELF-REPORTED AND REAL PREVALENCE OF LACTOSE INTOLERANCE IN A COHORT OF PATIENTS WITH IRRITABLE BOWEL SYNDROME. (September 2021) - Corea, A.; Larussa, T.; Procopio, A.C.; Iannelli, C.; Basile, A.; Suraci, E.; Marasco, R.; Imeneo, M.; Abenavoli, L.; Luzza, F.