Does the duration of symptoms in patients with spinal stenosis and degenerative spondylolisthesis affect outcomes?: analysis of the Spine Outcomes Research Trial.
Radcliff KE, Rihn J, Hilibrand A, DiIorio T, Tosteson T, Lurie JD, Zhao W, Vaccaro AR, Albert TJ, Weinstein JN. Does the duration of symptoms in patients with spinal stenosis and degenerative spondylolisthesis affect outcomes?: analysis of the Spine Outcomes Research Trial. Spine (Phila Pa 1976). 2011 Dec 01; 36(25):2197-210.