title: Quo vadis meta-analysis? A potentially dangerous tool if used without adequate rules.
authors.forename: K B
authors.initials: KB
authors.lastname: Michels
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000706:statistics & numerical data*; D006801:Humans; D015201:Meta-Analysis as Topic; D009369:Neoplasms / Q000628:therapy; D013223:Statistics as Topic / Q000379:methods