title: Infection with Helicobacter pylori.
authors.affiliation: McMaster University, Ontario, Canada.
authors.forename: D
authors.initials: D
authors.lastname: Armstrong
authors.forename: G
authors.initials: G
authors.lastname: Stevenson
mesh_terms: D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000209:etiology*; D016481:Helicobacter Infections / Q000150:complications* / Q000175:diagnosis; D016480:Helicobacter pylori; D006801:Humans