Self-study of the non-extension sign in an e-learning program improves diagnostic accuracy of invasion depth of early gastric cancer

von Minoru Kato (Autor), ... Noriya Uedo (Autor), Takashi Nagahama (Autor), Kenshi Yao (Autor), Hisashi Doyama (Autor), Shigetsugu Tsuji (Autor), Takuji Gotoda (Autor), Takuji Kawamura (Autor), Masahide Ebi (Autor), Katsumi Yamamoto (Autor), Tomofumi Akasaka (Autor), Hajime Takatori (Autor), Osamu Handa (Autor), Takuji Akamatsu (Autor), Jun Nishikawa (Autor), Takuto Hikichi (Autor), Takeshi Yamashina (Autor), Akira Imoto (Autor), Yoko Kitamura (Autor), Tatsuya Mikami (Autor), Tomoyuki Koike (Autor), Shuichi Ohara (Autor), Shinji Kitamura (Autor), Tatsuya Yamaguchi (Autor), Tetsu Kinjo (Autor), Taro Inoue (Autor), Sho Suzuki (Autor), Akihiro Kaneko (Autor), Kingo Hirasawa (Autor), Kyosuke Tanaka (Autor), Takahiro Kotachi (Autor), Kazuhiro Miwa (Autor), Yosuke Toya (Autor), Shoichi Kayaba (Autor), Atsushi Ikehata (Autor), Shinya Minami (Autor), Kazuhiro Mizukami (Autor), Hirohisa Oya (Autor), Nobuyuki Ara (Autor), Yasushi Fukumoto (Autor), Takuya Komura (Autor), Toshiyuki Yoshio (Autor), Ryutaro Morizono (Autor), Kenji Yamazaki (Autor), Yuichi Shimodate (Autor), Kohei Yamanouchi (Autor), Noboru Kawata (Autor), Masayuki Kumagai (Autor), Yoshinori Sato (Autor), Kiyotaka Umeki (Autor), Daisuke Kawai (Autor), Tokuma Tanuma (Autor), Maiko Kishino (Autor), Jun Konishi (Autor), Tetsuya Sumiyoshi (Autor), Shohei Oka (Autor), Mitsuhiro Kono (Autor), Takeshi Sakamoto (Autor), Yohei Horikawa (Autor), Motoki Ohyauchi (Autor), Keiichi Hashiguchi (Autor), Yohei Waseda (Autor), Toyotaka Kasai (Autor), Hiroyuki Aoyagi (Autor), Hirokazu Oyamada (Autor), Masakuni Shoji (Autor), Shu Kiyotoki (Autor), Sho Asonuma (Autor), Shunsuke Orikasa (Autor), Chika Akaishi (Autor), Yasuaki Nagami (Autor), Satoshi Nakata (Autor), Fumiyo Iida (Autor), Tatsuma Nomura (Autor), Kei Tominaga (Autor), Kohei Oka (Autor), Yoshinori Morita (Autor), Haruhisa Suzuki (Autor), Keiji Ozeki (Autor), Shiko Kuribayashi (Autor), Yoichi Akazawa (Autor), Sho Sasaki (Autor), Tetsuhiko Mikami (Autor), Goro Miki (Autor), Tatsushi Sano (Autor), Hiro Satoh (Autor), Munetaka Nakamura (Autor), Wataru Iwai (Autor), Hideki Tawa (Autor), Masafumi Wada (Autor), Daisuke Yoshimura (Autor), Yasuhiro Hisanaga (Autor), Toshio Shimokawa (Autor), Hideki Ishikawa (Autor) 2019