Umscheid Craig A, Greysen S Ryan
Center for Evidence-based Practice, University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA.
Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.
J Hosp Med. 2018 May;13(5):356-357. doi: 10.12788/jhm.2989.