M2A Wireless Capsule Endoscopy for Diagnosing Ulcerative Jejunoileitis Complicating Celiac Disease - Apostolopoulos, P; Alexandrakis, G; Giannakoulopoulou, E; Kalantzis, C; Papanikolaou, I S; Markoglou, C; Kalantzis, N (Endoscopy, 2004)