title: Helicobacter pylori infection in childhood.
authors.forename: Masumi
authors.initials: M
authors.lastname: Okuda
authors.forename: Eikichi
authors.initials: E
authors.lastname: Miyashiro
authors.forename: Teruko
authors.initials: T
authors.lastname: Nakazawa
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005260:Female; D005753:Gastric Mucosa / Q000473:pathology; D005756:Gastritis / Q000175:diagnosis / Q000453:epidemiology*; D016481:Helicobacter Infections / Q000175:diagnosis / Q000453:epidemiology*; D016480:Helicobacter pylori; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D010437:Peptic Ulcer / Q000175:diagnosis / Q000453:epidemiology*