title: Understanding immunity to Helicobacter pylori: unraveling the riddle, wrapped in a mystery, inside an enigma.
authors: Peter B
authors: PB
authors: Ernst
mesh_terms: D000818:Animals; D005756:Gastritis / Q000276:immunology* / Q000382:microbiology; D016481:Helicobacter Infections / Q000276:immunology*; D016480:Helicobacter pylori