Seabury Seth A, Chandra Amitabh, Jena Anupam B
Department of Emergency Medicine and Leonard D. Schaeffer Center for Health Policy and Economics, University of Southern California, Los Angeles.
Harvard Kennedy School of Government, Harvard University, Cambridge, Massachusetts.
JAMA Intern Med. 2014 May;174(5):822-3. doi: 10.1001/jamainternmed.2014.35.