title: [Meta-analysis raises more questions, than it answers].
authors.forename: K U
authors.initials: KU
authors.lastname: Petersen
mesh_terms: D005756:Gastritis / Q000188:drug therapy*; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori / Q000187:drug effects; D006635:Histamine H2 Antagonists / Q000627:therapeutic use*; D006801:Humans; D015201:Meta-Analysis as Topic; D009853:Omeprazole / Q000627:therapeutic use*; D054328:Proton Pump Inhibitors; D016896:Treatment Outcome
chemical_list: D006635:Histamine H2 Antagonists; D054328:Proton Pump Inhibitors; D009853:Omeprazole
vernacular_title: Metaanalyse wirft mehr Fragen auf, als sie beantwortet.