Asch David A, Nicholson Sean, Vujicic Marko
From the Center for Health Equity Research and Promotion, Philadelphia Veterans Affairs Medical Center; and the Perelman School of Medicine and the Wharton School, University of Pennsylvania - all in Philadelphia (D.A.A.); Cornell University, Ithaca, NY (S.N.); the National Bureau of Economic Research, Cambridge, MA (S.N.); and the American Dental Association, Chicago (M.V.).
N Engl J Med. 2013 Nov 21;369(21):1973-5. doi: 10.1056/NEJMp1310778. Epub 2013 Oct 30.