title: [Ulcer and problems of Helicobacter pylori infection: new facts, reflections, suggestions].
authors.forename: Ia S
authors.initials: IaS
authors.lastname: Tsymmerman
mesh_terms: D016481:Helicobacter Infections / Q000382:microbiology*; D016480:Helicobacter pylori / Q000302:isolation & purification*; D006801:Humans; D010437:Peptic Ulcer / Q000382:microbiology*