title: Helicobacter pylori and nonulcer dyspepsia.
mesh_terms: D001706:Biopsy; D004381:Duodenal Ulcer / Q000382:microbiology; D004382:Duodenitis / Q000382:microbiology / Q000473:pathology*; D004386:Duodenum / Q000473:pathology; D004415:Dyspepsia / Q000188:drug therapy; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori; D006801:Humans