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Mineo Iwatate, Tomoyuki Kitagawa, Yasumi Katayama, Naohiko Tokutomi, Shinichi Ban, Santa Hattori, Noriaki Hasuike, Wataru Sano, Yasushi Sano, Masaya Tamano 
World J Gastroenterol 23(42):7609-7617. Published online Nov 14, 2017. doi: 10.3748/wjg.v23.i42.7609
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