P.05.17 ULTRASOUND-GUIDED TRANSORAL FUNDOPLICATION FOR THE TREATMENT OF GASTROESOPHAGEAL REFLUX DISEASE: RESULTS UP TO 24 MONTHS FROM A SINGLE-CENTER PROSPECTIVE STUDY. (25th March 2019) - Testoni, P.A.; Mazzoleni, G.; Distefano, G.; Testoni, S.G.G.; Antonelli, M.; Fanti, L.; Passaretti, S.