Structured Terminology for Capsule Endoscopy: Results of Retrospective Testing and Validation in 766 Small-Bowel Investigations - Delvaux, M; Friedman, S; Keuchel, M; Hagenmüller, F; Weinstein, M; Cave, D; de Franchis, R; Gay, G; Korman, L Y (Endoscopy, 2005)