1. Clinical Challenges and Images in GI
Katsuyuki Tozawa, MD, Yoshio Ohda, MD, PhD, Takayuki Matsumoto, MD, PhD, Kazutoshi Hori, MD, PhD, Takashi Nishigami, MD, PhD 
Gastroenterology 
Volume 136, Issue 1, (January 2009)
DOI: /j.gastro
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2. Gastroenterology 2009 136, DOI: (10.1053/j.gastro.2008.02.087)
Copyright © 2009 AGA Institute Terms and Conditions

3. Gastroenterology 2009 136, DOI: (10.1053/j.gastro.2008.02.087)
Copyright © 2009 AGA Institute Terms and Conditions

4. Gastroenterology 2009 136, DOI: (10.1053/j.gastro.2008.02.087)
Copyright © 2009 AGA Institute Terms and Conditions