[Barrett's esophagus: new diagnostic tools].
Cecconello
Ivan
I
Szachnowicz
Sergio
S
D001471:Barrett Esophagus / Q000175:diagnosis*; D001706:Biopsy; D004396:Coloring Agents; D004945:Esophagoscopy / Q000379:methods; D006801:Humans; D008751:Methylene Blue
D004396:Coloring Agents; D008751:Methylene Blue