title: The Blackstone Ratio and medicine's "n" problem.
authors.affiliation: Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104. Electronic address: saurabh.jha@uphs.upenn.edu.
authors.forename: Saurabh
authors.initials: S
authors.lastname: Jha
mesh_terms: D003627:Data Interpretation, Statistical; D003952:Diagnostic Imaging / Q000941:ethics*; D000069342:Medical Overuse / Q000517:prevention & control*; D010819:Physician's Role; D011871:Radiology / Q000941:ethics*; D014481:United States
keywords: Blackstone ratio; asymmetry of error; information problem; overdiagnosis