title: Letter: Surveillance of Helicobacter pylori antibiotic resistance.
authors.forename: B
authors.initials: B
authors.lastname: Porowska
authors.forename: M T
authors.initials: MT
authors.lastname: Mascellino
authors.forename: C
authors.initials: C
authors.lastname: Severi
mesh_terms: D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D004352:Drug Resistance, Microbial / Q000187:drug effects*; D004415:Dyspepsia / Q000188:drug therapy*; D005260:Female; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori / Q000187:drug effects*; D006801:Humans; D008297:Male
chemical_list: D000900:Anti-Bacterial Agents