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The association of Helicobacter pylori infection with serum lipid profiles: An evaluation based on a combination of meta-analysis and a propensity score-based observational approachTakeshi Shimamoto, Kazuhiko Koike, Nobutake Yamamichi et al.|PLoS ONE|2020Cited by 54
Comparative analysis of upper gastrointestinal endoscopy, double-contrast upper gastrointestinal barium X-ray radiography, and the titer of serum anti-Helicobacter pylori IgG focusing on the diagnosis of atrophic gastritisNobutake Yamamichi, Kazuhiko Koike, Chihiro Minatsuki et al.|Gastric Cancer|2015Cited by 27
Risk factors for gastric cancer in Japan in the 2010s: a large, long-term observational studyYu Takahashi, Mitsuhiro Fujishiro, Nobutake Yamamichi et al.|Gastric Cancer|2022Cited by 26
Associated Factors of Atrophic Gastritis Diagnosed by Double-Contrast Upper Gastrointestinal Barium X-Ray Radiography: A Cross-Sectional Study Analyzing 6,901 Healthy Subjects in JapanNobutake Yamamichi, Kazuhiko Koike, Chigaya Hirano et al.|PLoS ONE|2014Cited by 24