Back Surgery -- Who Needs It?NEJM 356:2239-2245, Deyo,R.A., 2007
Low Back PainNEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001
Transverse Axial Tomography of the SpineJ Neurosurg 42:412-419, Jacobson,R.E.,et al, 1975