title: Summation of the conference.
authors.affiliation: Imperial Cancer Research Fund, Cancer Studies Unit, Radcliffe Infirmary, Oxford, England.
authors.forename: R
authors.initials: R
authors.lastname: Doll
mesh_terms: D015982:Bias; D004992:Ethics, Medical; D006302:Health Services Research; D006801:Humans; D015201:Meta-Analysis as Topic; D017063:Outcome Assessment, Health Care; D016032:Randomized Controlled Trials as Topic; D012107:Research Design