title: Helicobacter pylori and peptic ulcer disease.
authors.forename: P H
authors.initials: PH
authors.lastname: Katelaris
mesh_terms: D005188:False Negative Reactions; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000382:microbiology*