title: What is the best evidence for determining harms of medical treatment?
authors.affiliation: Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, The Netherlands. j.p.vandenbroucke@lumc.nl
authors.forename: Jan P
authors.initials: JP
authors.lastname: Vandenbroucke
mesh_terms: D015982:Bias; D016021:Epidemiologic Studies; D019317:Evidence-Based Medicine; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012306:Risk