Hiroya Ueyama

35PUBLICATIONS
61CO-AUTHORS
Global Indigenous studies health and wellbeingNutritional epidemiologyEconomic models and forecastingPredictive and prognostic markersEpidemiological methods
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Publications (35)

|Aug 03, 2026
Sex and age differences in upper abdominal symptoms in patients without organic disease.

|Feb 16, 2026
Texture and Color Enhancement Imaging for the Kyoto Classification of Gastritis: Evaluation of Visibility and Color Differences.

Shotaro Oki, Tsutomu Takeda, Yoichi Akazawa

|Oct 07, 2025
Usefulness of Automated Analysis System for Microvascular Blood Flow Rate Using Magnifying Endoscopy in Early Gastric Cancer: A Multicenter Retrospective Study (With Video).

Yoichi Akazawa, Hiroya Ueyama, Shunsuke Nakamura

|Sep 28, 2025
Clinical Features of Invasive Gastric Cancer Developed After Helicobacter pylori Eradication During Regular Endoscopic Surveillance.

Akiko Sasaki, Junko Fujisaki, Masaaki Kobayashi

|Jun 26, 2025
Association of Constipation and Geriatric Depressive Symptoms: Cross-Sectional Analysis Using Baseline Data from the JUSTICE-TOKYO Prospective Cohort Study.

Hiroyuki Kiko, Daisuke Asaoka, Osamu Nomura

|Apr 09, 2025
Visibility evaluation of gastric epithelial neoplasm of fundic gland mucosa lineage using texture and color enhancement imaging.

Hisanori Utsunomiya, Hiroya Ueyama, Tsutomu Takeda

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Frequent Collaborators

12 joint publications

Mariko Hojo

11 joint publications

Akihito Nagahara

8 joint publications

Shotaro Oki

7 joint publications

Tsutomu Takeda