P.17.1 COMPARISON BETWEEN DIFFERENT BOWEL PREPARATION REGIMENS FOR COLONOSCOPY: A SINGLE-CENTRE OBSERVATIONAL STUDY. (24th February 2016) - Messina, O.; Franceschi, M.; Tomba, F.; Ferronato, A.; Sella, D.; Cocco, A.; Migliorini, S.; Mosele, M.; Rosa, L.; Salin, E.; Vidale, M.; Vanzetto, E.; et al.