New imaging techniques: promise or passe.
Wallace
M B
MB
D001471:Barrett Esophagus / Q000473:pathology*; D004396:Coloring Agents; D004945:Esophagoscopy / Q000379:methods*; D004947:Esophagus / Q000473:pathology; D005453:Fluorescence; D006801:Humans; D008751:Methylene Blue
D004396:Coloring Agents; D008751:Methylene Blue