Fleming Thomas R, Ellenberg Susan S
Department of Biostatistics, University of Washington, Seattle, WA, USA
Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
Clin Trials. 2016 Feb;13(1):6-9. doi: 10.1177/1740774515616944. Epub 2016 Jan 14.