title: Practice guidelines and practical judgement: the role of mega-trials, meta-analysis and consensus.
authors.forename: B G
authors.initials: BG
authors.lastname: Charlton
mesh_terms: D003245:Consensus Statements as Topic; D006801:Humans; D015201:Meta-Analysis as Topic; D017410:Practice Guidelines as Topic; D016032:Randomized Controlled Trials as Topic