title: Helicobacters are indigenous to the human stomach: duodenal ulceration is due to changes in gastric microecology in the modern era.
authors.affiliation: Division of Infectious Diseases, A3310 Medical Center North, Vanderbilt University School of Medicine, Nashville, TN 37232-2605, USA.
authors.forename: M J
authors.initials: MJ
authors.lastname: Blaser
mesh_terms: D004381:Duodenal Ulcer / Q000382:microbiology*; D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000382:microbiology*; D013272:Stomach Diseases / Q000382:microbiology*