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Shiro Okamoto

Helicobacter pylori Infection and the Development of Gastric Cancer
2001 · Naomi Uemura, Shiro Okamoto, et al. · New England Journal of Medicine · 4,500
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Effect of eradication of Helicobacter pylori on incidence of metachronous gastric carcinoma after endoscopic resection of early gastric cancer: an open-label, randomised controlled trial
2008 · Kazutoshi Fukase, Mototsugu Kato, et al. · The Lancet · 1,245
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Effect of age and Helicobacter pylori infection on gastric acid secretion
2000 · Ken Haruma, Tomoari Kamada, et al. · Journal of Gastroenterology and Hepatology · 145
Gastric MALT Lymphomas Are Divided Into Three Groups Based on Responsiveness to Helicobacter Pylori Eradication and Detection of API2-MALT1 Fusion
2004 · Hiroshi Inagaki, Tsuneya Nakamura, et al. · The American Journal of Surgical Pathology · 100
Effect of Helicobacter Pylori Eradication on Subsequent Development of Cancer after Endoscopic Resection of Early Gastric Cancer in Japan
2000 · Naomi Uemura, Shiro Okamoto · Gastroenterology Clinics of North America · 83
Reduced Incidence of Helicobacter pylori Infection in Young Japanese Persons Between the 1970s and the 1990s
1997 · Ken Haruma, Shiro Okamoto, et al. · Journal of Clinical Gastroenterology · 58
Clinicopathologic features of early rectal carcinoma and indications for endoscopic treatment
1995 · Shinji Tanaka, Toshihiro Yokota, et al. · Diseases of the Colon & Rectum · 51
H. pylori infection and the development of gastric cancer
2002 · Naomi Uemura, Shiro Okamoto, et al. · The Keio Journal of Medicine · 35
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A New Rapid Test for Detecting Anti–Helicobacter pylori Antibody Excreted into Urine
2000 · Soichiro Yamamoto, Naomi Uemura, et al. · Helicobacter · 32
Factors for conversion risk of colorectal endoscopic submucosal dissection: a multicenter study
2022 · Yuki Kamigaichi, Shiro Oka, et al. · Surgical Endoscopy · 31
Real-world learning curve analysis of colorectal endoscopic submucosal dissection: a large multicenter study
2019 · Kazuki Boda, Shiro Oka, et al. · Surgical Endoscopy · 31
Relationship Between Helicobacter pylori Infection and Gastric Acid Secretion in Young Healthy Subjects
1994 · Ken Haruma, Hiroyuki Kawaguchi, et al. · Journal of Clinical Gastroenterology · 30
Efficacy and safety comparison of scissor-type knives with needle-type knives for colorectal endoscopic submucosal dissection: a post-hoc propensity score–matched analysis (with videos)
2022 · Toshio Kuwai, Shiro Oka, et al. · Gastrointestinal Endoscopy · 16
Transthoracic Collis-Nissen repair for massive type IV paraesophageal hernia
2008 · Hideki Itano, Shiroh Okamoto, et al. · General Thoracic and Cardiovascular Surgery · 11
Effects of Helicobacter pylori eradication on the background gastric mucosa in the patients after endoscopic mucosal resection of early gastric cancer
2000 · Naomi Uemura, Shiro Okamoto, et al. · Gastroenterology · 8
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Theophylline reduces poly(ADP-ribose) synthetase from chick embryo liver nuclei
1981 · Akihide Kitamura, Yoshinori Tanigawa, et al. · Biochimica et Biophysica Acta (BBA) - General Subjects · 8
Evaluation of Individual Risk in Nonvariceal Gastrointestinal Bleeding Patients with NSAID Administration: A Multicenter Study in Japan
2012 · Hideharu Okanobu, Masanori Ito, et al. · Digestion · 7
Long-Term Outcomes After Endoscopic Submucosal Dissection for T1 Colorectal Cancer: A Multicenter Prospective Study
2026 · Takuro Hamada, Toshio Kuwai, et al. · Clinical Gastroenterology and Hepatology · 4
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Helicobacter pylori infection and the development of gastric cancer — Second report — Long term endoscopic follow up study
2000 · Naomi Uemura, Shiro Okamoto, et al. · Gastroenterology · 3
Long-term local recurrence and survival after colorectal endoscopic submucosal dissection: a prospective multicenter real-world cohort study
2026 · Masachika Saino, Toshio Kuwai, et al. · Endoscopy · 1
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Clinical Usefulness of NBI Magnification in Routine Colonoscopic Examination
2008 · Yuko Hiraga, Shiro Okamoto, et al. · Gastrointestinal Endoscopy · 1
Predictive Factors of Local Recurrence After Colorectal Endoscopic Submucosal Dissection: a Multicenter Prospective Study From the Hiroshima Gi Endoscopy Research Group
2025 · Masachika Saino, Toshio Kuwai, et al. · Gastrointestinal Endoscopy
Id: 3520676 Predictive Factors for Interruption, Piecemeal Resection, and Perforation After Standardization of Colorectal Endoscopic Submucosal Dissection
2021 · Yuki Kamigaichi, Shiro Oka, et al. · Gastrointestinal Endoscopy
Front & Back Matter
2012 · Kerstin Herzer, Christian D. Fingas, et al. · Digestion
Upper GI bleeding in the patients with liver cirrhosis.
1995 · Naomi Uemura, Toshikazu Mukai, et al. · 広島医学
Works count: 26
Citation count: 6,382
H-index: 13
I10-index: 14
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