TY - JOUR AN - 153 AU - Glickman,J.N. AU - Bousvaros,A. AU - Farraye,F.A. TI - Pediatric patients with untreated ulcerative colitis may present initially with unusual morphologic findings. JO - Am J Surg Pathol PY - 2004 VL - 28 SP - 190-197 M2 - 190 DO - 10.1097/00000478-200402000-00006 ER -