title: [Epidemiology in peptic ulcer].
authors: Department of Internal Medicine, Kitasato University School of Medicine.
authors: Toshiharu
authors: T
authors: Mitsuhashi
authors: Katsunori
authors: K
authors: Saigenji
mesh_terms: D005060:Europe / Q000453:epidemiology; D016481:Helicobacter Infections / Q000150:complications / Q000188:drug therapy; D016480:Helicobacter pylori; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008403:Mass Screening / Q000706:statistics & numerical data; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000209:etiology / Q000628:therapy; D015995:Prevalence; D055502:Secondary Prevention; D013315:Stress, Psychological / Q000150:complications; D013997:Time Factors