Deyo Richard A, Mirza Sohail K
From the Departments of Family Medicine, Medicine, and Public Health and Preventive Medicine, and the Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland (R.A.D.); and the Department of Orthopaedic Surgery and the Dartmouth Institute, Dartmouth Geisel School of Medicine, Hanover, NH (S.K.M.).
N Engl J Med. 2016 May 5;374(18):1763-72. doi: 10.1056/NEJMcp1512658.