Author
Takuya Hombu 1
1 Department of Gastroenterology, Endoscopy division,National Cancer Center Hospital East, Kashiwa, JAPAN,Kashiwanoha, Kashiwa-shi,Japan
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1 Department of Gastroenterology, Endoscopy division,National Cancer Center Hospital East, Kashiwa, JAPAN,Kashiwanoha, Kashiwa-shi,Japan