Nonrecurrence Rate of Underwater EMR for ≤20-mm Nonampullary Duodenal Adenomas: A Multicenter Prospective Study (D-UEMR Study)

Yasushi Yamasaki, Noriya Uedo, Takuji Akamatsu, Tomo Kagawa, Reiji Higashi, Osamu Dohi, Masanori Furukawa, Yu Takahashi, Takuya Inoue, Shouichi Tanaka, Ryuta Takenaka, Mikitaka Iguchi, Takuji Kawamura, Takao Tsuzuki, Tomoaki Yamasaki, Takeshi Yamashina, Junichiro Nasu, Tomohiko Mannami, Atsushi Yamauchi, Kazuhiro Matsueda, Shigeyuki Aizawa, Toshiharu Mitsuhashi, Hiroyuki Okada, Hiromitsu Kanzaki, Shuntaro Inoue, Muneaki Miyake, Masayasu Ohmori, Yoji Takeuchi, Yasuhiro Tani, Nobuyuki Harada, Nobukazu Agatsuma, Keijirou Okada, Maiko Ikenouchi, Yasuki Nakatani, Yoshito Uenoyama, Yukitaka Yamashita, Shigenao Ishikawa, Tomoki Inaba, Koji Miyahara, Yuki Moritou, Masahiro Nakagawa, Hiroaki Kitae, Tsugitaka Ishida, Yuji Naito, Akiyoshi Nishio, Masaaki Shimatani, Ryo Kato, Shinya Taki, Koichiro Mandai, Kasumi Sanada, Kojiro Nakase, Hiroko Nebiki, Shunsuke Saito, Toshiyuki Wakatsuki, Naoyuki Nishimura