title: Statistical annex: statistical aspects of clinical trials in Helicobacter pylori infection. Working Party of the European Helicobacter pylori Study Group.
mesh_terms: D005767:Gastrointestinal Diseases / Q000382:microbiology*; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D013223:Statistics as Topic; D016896:Treatment Outcome