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Koji Fujita, Hisakazu Iwama, Hisaaki Miyoshi, Joji Tani, Kyoko Oura, Tomoko Tadokoro, Teppei Sakamoto, Takako Nomura, Asahiro Morishita, Hirohito Yoneyama, Tsutomu Masaki 
World J Gastroenterol 22(27):6100-6113. Published online Jul 21, 2016. doi: 10.3748/wjg.v22.i27.6100
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