OC.16.1 EFFECT OF HIATAL HERNIA AND ESOPHAGOGASTRIC JUNCTION MORPHOLOGY ON OESOPHAGEAL MOTILITY: NEW EVIDENCES FROM HIGH RESOLUTION MANOMETRY. (March 2023) - Kayali, S.; Calabrese, F.; Facchini, C.; Marabotto, E.; Furnari, M.; Bodini, G.; Pieri, G.; Giannini, E.G.; Zentilin, P.