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Osamu Toyoshima, Toshihiro Nishizawa, Masahide Arita, Yosuke Kataoka, Kosuke Sakitani, Shuntaro Yoshida, Hiroharu Yamashita, Keisuke Hata, Hidenobu Watanabe, Hidekazu Suzuki 
World J Gastroenterol 24(13):1419-1428. Published online Apr 7, 2018. doi: 10.3748/wjg.v24.i13.1419
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