title: [Epidemiology of gastrointestinal hemorrhage].
authors.forename: K
authors.initials: K
authors.lastname: Saigenji
authors.forename: S
authors.initials: S
authors.lastname: Tanabe
authors.forename: M
authors.initials: M
authors.lastname: Igarashi
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged