title: Helicobacter pylori infection and duodenal ulceration.
authors.forename: G
authors.initials: G
authors.lastname: Pinn
mesh_terms: D004381:Duodenal Ulcer / Q000382:microbiology*; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans