High-Resolution Endoscopy Plus Chromoendoscopy or Narrow-Band Imaging in Barrett’s Esophagus: a Prospective Randomized Crossover Study - Kara, M A; Peters, F P; Rosmolen, W D; Krishnadath, K K; ten Kate, F J W; Fockens, P; Bergman, J J G H M (Endoscopy, 2005)