title: Risk factors for Helicobacter pylori.
authors.forename: F C
authors.initials: FC
authors.lastname: Edwards
authors.forename: N F
authors.initials: NF
authors.lastname: Coghill
mesh_terms: D005757:Gastritis, Atrophic / Q000382:microbiology; D016481:Helicobacter Infections / Q000209:etiology*; D016480:Helicobacter pylori; D006801:Humans; D012307:Risk Factors; D012959:Socioeconomic Factors