title: [Peptic ulcer and environmental factor: with special focus on Helicobacter pylori infection].
authors: Department of Environmental and Occupational Health, Toho University School of Medicine.
authors: Masayuki
authors: M
authors: Tatemichi
authors: Shoichiro
authors: S
authors: Tsugane
mesh_terms: D000818:Animals; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000009:adverse effects; D005757:Gastritis, Atrophic / Q000209:etiology; D016481:Helicobacter Infections / Q000209:etiology* / Q000635:transmission; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology*; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects; D012982:Sodium, Dietary / Q000009:adverse effects; D013315:Stress, Psychological / Q000150:complications
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D012982:Sodium, Dietary