1. Reconsidering Barrett’s Esophagus: Practical Applications of Biophotonics 
Herbert C. Wolfsen, Michael B. Wallace 
Gastroenterology 
Volume 134, Issue 2, Pages (February 2008)
DOI: /j.gastro
Copyright © 2008 AGA Institute Terms and Conditions

2. Figure 1
Long-segment Barrett’s disease with squamous island and focal area of high-grade dysplasia seen with high-resolution white light (A) and narrow band imaging (B).
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2008 AGA Institute Terms and Conditions

3. Figure 2
Short-segment Barrett’s disease with focal low-grade dysplasia seen with high-resolution white light (A) and narrow-band imaging (B).
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2008 AGA Institute Terms and Conditions

4. Figure 3
Short-segment Barrett’s disease undergoing radiofrequency energy treatment using the focal ablation device, high-resolution white-light image.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2008 AGA Institute Terms and Conditions

5. Figure 4
Mucosal squamous cell carcinoma of the middle esophagus seen with high-resolution white light (A) and narrow-band imaging (B).
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2008 AGA Institute Terms and Conditions