title: What do the overall results of clinical trials and meta-analyses tell us about the efficacy of treatments?
authors.forename: P M
authors.initials: PM
authors.lastname: Rothwell
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D015201:Meta-Analysis as Topic; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome