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Osamu Toyoshima, Toshihiro Nishizawa, Shuntaro Yoshida, Tomoharu Yamada, Nariaki Odawara, Tatsuya Matsuno, Miho Obata, Ken Kurokawa, Chie Uekura, Mitsuhiro Fujishiro 
World J Gastrointest Endosc 14(2):96-105. Published online Feb 16, 2022. doi: 10.4253/wjge.v14.i2.96