Yasumasa Niwa

The diagnosis of GI stromal tumors with EUS-guided fine needle aspiration with immunohistochemical analysis

Nobuhiro Ando, Hidemi Goto, Yasumasa Niwa et al. · Gastrointestinal Endoscopy · 2002 · 330 citations

Medicine, Oncology, Pathology +16

<i>Interleukin-8</i>Promoter Polymorphism Increases the Risk of Atrophic Gastritis and Gastric Cancer in Japan

Ayumu Taguchi, Naoki Ohmiya, Kennosuke Shirai et al. · Cancer Epidemiology Biomarkers & Prevention · 2005 · 243 citations · Full text

Medicine, Genetics, Molecular Genetics +16

<i>Helicobacter pylori</i> , Homologous-Recombination Genes, and Gastric Cancer

Yoshiaki Usui, Yukari Taniyama, Mikiko Endo et al. · New England Journal of Medicine · 2023 · 239 citations

Life Sciences, Genetics, Oncology +15

Intraductal Papillary Mucinous Neoplasms of the Pancreas

Eizaburo Ohno, Yoshiki Hirooka, Akihiro Ito et al. · Annals of Surgery · 2009 · 203 citations

Medicine, Pathology, Surgery +15

Outcome after enteroscopy for patients with obscure GI bleeding: diagnostic comparison between double-balloon endoscopy and videocapsule endoscopy

Daigo Arakawa, Naoki Ohmiya, Masanao Nakamura et al. · Gastrointestinal Endoscopy · 2009 · 193 citations

Medicine, Surgery, Gastroenterology +10