P128 Correlation between colonic manometry and colonic transit studies in children with chronic constipation. Issue 4 (6th October 2018) - Di Chio, T.; Pesce, M.; Biassoni, L.; Easty, M.; Chanpong, A.; Pieri, E.S.; Lindley, K.J.; Saliakellis, E.; Thapar, N.; Borrelli, O.