title: Changing patterns of peptic ulcer, gastro-oesophageal reflux disease and Helicobacter pylori: a unifying hypothesis.
authors.forename: David Y
authors.initials: DY
authors.lastname: Graham
mesh_terms: D005764:Gastroesophageal Reflux / Q000453:epidemiology / Q000382:microbiology; D016481:Helicobacter Infections / Q000453:epidemiology*; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000382:microbiology