title: Helicobacter pylori gastritis: a 'normal' phenomenon.
authors.forename: W L
authors.initials: WL
authors.lastname: Peterson
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001729:Bismuth / Q000494:pharmacology; D002167:Campylobacter / Q000302:isolation & purification*; D005748:Gastric Fundus / Q000382:microbiology; D005753:Gastric Mucosa / Q000033:anatomy & histology / Q000382:microbiology*; D005756:Gastritis / Q000382:microbiology; D006801:Humans; D008875:Middle Aged; D011706:Pyloric Antrum / Q000382:microbiology
chemical_list: D000900:Anti-Bacterial Agents; D001729:Bismuth