Helicobacter pylori: an infectious agent in peptic ulcer disease?
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D016481:Helicobacter Infections / Q000150:complications* / Q000382:microbiology; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000382:microbiology*; D013272:Stomach Diseases / Q000150:complications* / Q000382:microbiology