Low Back Pain
NEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001
Low Back Pain
BMJ 306:901-909, Frank,A., 1993
What Can the History and Physical Examination Tell Us About Low Back Pain
JAMA 268:760-765, Deyo,R.A.,et al, 1992
Back Pain & Sciatica
NEJM 318:291-300, Frymoyer,J.W., 1988