title: Registration of epidemiological studies: benefits and risks.
authors.affiliation: School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. sellenbe@upenn.edu
authors.forename: Susan S
authors.initials: SS
authors.lastname: Ellenberg
authors.forename: James D
authors.initials: JD
authors.lastname: Lewis
mesh_terms: D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence / Q000379:methods*; D064420:Drug-Related Side Effects and Adverse Reactions; D016021:Epidemiologic Studies; D006801:Humans; D012306:Risk; D014481:United States; D014486:United States Food and Drug Administration