P.09.9 AN APPROACH TO CHRONIC CONSTIPATION BY DIGITAL EXAMINATION + BALLOON EXPULSION TEST IS FEASIBLE IN DAILY CLINICAL PRACTICE AND DECREASES FURTHER ANO-RECTAL INVESTIGATION. (24th February 2016) - Calcara, C.; Appiani, B.; Fornara, R.; Longoni, M.; Balzarini, M.; Natale, G.; Broglia, L.; Kozel, D.