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Scandinavian Journal of Gastroenterology|July 13, 2012
Risk factors for delayed bleeding from endoscopic submucosal dissection of gastric neoplasmsMunetaka Nakamura, Jun Nishikawa, Kouichi Hamabe, et al.
JGH Open : an Open Access Journal of Gastroenterology and Hepatology|March 18, 2021
Association between the chronic use of gastric acid suppressants and high-risk colorectal polypsYasutoshi Shiratori, Takashi Ikeya, Naoki Ishii, et al.
Gastrointestinal Endoscopy|July 8, 2021
Vonoprazan versus proton pump inhibitors for postendoscopic submucosal dissection bleeding in the stomach: a multicenter population-based comparative studyYasutoshi Shiratori, Ryota Niikura, Naoki Ishii, et al.
World Journal of Clinical Cases|July 11, 2022
Effectiveness and safety of chemotherapy for patients with malignant gastrointestinal obstruction: A Japanese population-based cohort studyGota Fujisawa, Ryota Niikura, Takuya Kawahara, et al.
World Journal of Gastrointestinal Endoscopy|January 3, 2017
Current state of practice for colonic diverticular bleeding in 37 hospitals in Japan: A multicenter questionnaire studyRyota Niikura, Naoyoshi Nagata, Hisashi Doyama, et al.
Endoscopy International Open|June 25, 2026
Development and validation of an artificial intelligence classifier for histologic grading of superficial non-ampullary duodenal epithelial tumorsKazuhiro Yamamoto, Atsushi Goto, Shunsuke Ito, et al.
Journal of Medical Virology|October 18, 2012
Role of DNA methylation in the development of Epstein-Barr virus-associated gastric carcinomaMari Saito, Jun Nishikawa, Toshiyuki Okada, et al.
Cancer Medicine|July 8, 2023
Association of probiotic use with nivolumab effectiveness against various cancers: A multicenter retrospective cohort studyJunya Arai, Ryota Niikura, Yoku Hayakawa, et al.
Endoscopy International Open|October 20, 2021
Erratum: Feasibility and safety of colonoscopy performed by nonexperts for acute lower gastrointestinal bleeding: post hoc analysisTsutomu Nishida, Ryota Niikura, Naoyoshi Nagata, et al.
Endoscopy International Open|June 3, 2021
Feasibility and safety of colonoscopy performed by nonexperts for acute lower gastrointestinal bleeding: post hoc analysisTsutomu Nishida, Ryota Nikura, Naoyoshi Nagata, et al.
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