Health Outcomes 1 Year After Subarachonid Hemorrhage
Neurol 55:658-662, Hackett,M.L. et al, 2000
Central Nervous System Injury Associated with Cardiac Surgery
Lancet 368:694-703, Newman,M.F.,et al, 2006
Low Back Pain
NEJM 344:363-370, Deyo,R.A. &Weinstein,J.N., 2001