OC.15.5: Post-Reflux Swallow-Induced Peristaltic wave Index and Mean Nocturnal Baseline Impedance Predict Heartburn Response to Proton PUMP Inhibitors Better than Acid Exposure Time. (15th March 2017) - Frazzoni, L.; Frazzoni, M.; De Bortoli, N.; Tolone, S.; Furnari, M.; Martinucci, I.; Marchi, S.; Conigliaro, R.; Fuccio, L.; Bazzoli, F.; Savarino, V.; Savarino, E.