title: Comment on: "Desideratum for evidence-based epidemiology".
authors.affiliation: Center for Pharmacoepidemiology Research and Training, Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA, hennessy@upenn.edu.
authors.forename: Sean
authors.initials: S
authors.lastname: Hennessy
authors.forename: Charles E
authors.initials: CE
authors.lastname: Leonard
mesh_terms: D064420:Drug-Related Side Effects and Adverse Reactions / Q000175:diagnosis*; D016021:Epidemiologic Studies; D006801:Humans; D012107:Research Design