Yokell Michael A, Delgado M Kit, Zaller Nickolas D, Wang N Ewen, McGowan Samuel K, Green Traci Craig
Division of Emergency Medicine, Stanford University School of Medicine, Stanford, California.
Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia3Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania, Philadelphia.
JAMA Intern Med. 2014 Dec;174(12):2034-7. doi: 10.1001/jamainternmed.2014.5413.