title: Ethical considerations of comparing sequential and traditional anti Helicobacter pylori therapy.
authors: David Y
authors: DY
authors: Graham
authors: Yoshio
authors: Y
authors: Yamaoka
mesh_terms: D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D000897:Anti-Ulcer Agents / Q000008:administration & dosage*; D004415:Dyspepsia / Q000188:drug therapy*; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori; D006801:Humans; D010437:Peptic Ulcer / Q000188:drug therapy*; D012107:Research Design / Q000592:standards
chemical_list: D000900:Anti-Bacterial Agents; D000897:Anti-Ulcer Agents