Unusual cases and technical notes
J. B. Samarasena
1
Department of Gastroenterology, University of California – Irvine, Orange, California, USA
,
Y. Nakai
1
Department of Gastroenterology, University of California – Irvine, Orange, California, USA
,
D. H. Park
2
Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
,
T. Iwashita
3
First Department of Internal Medicine, Gifu University Hospital, Gifu, Japan
,
K. Chang
4
Comprehensive Digestive Disease Center, University of California – Irvine, Orange, California, USA
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