PC.01.3 LONG-TERM OUTCOME OF VERY EARLY ONSET INFLAMMATORY BOWEL DISEASE ASSOCIATED WITH PRIMARY SCLEROSING CHOLANGITIS: A MULTICENTER STUDY FROM THE PEDIATRIC IBD PORTO GROUP OF ESPGHAN. (March 2023) - Catassi, G.; D'Arcangelo, G.; Norsa, L.; Bramuzzo, M.; Hojsak, I.; Kolho, K.; Romano, C.; Gasparetto, M.; Di Giorgio, A.; Hussey, S.; Yerushalmy-Feler, A.; Turner, D.; et al.