Randomized Controlled Trial
Lumbar instrumented fusion compared with cognitive intervention and exercises in patients with chronic back pain after previous surgery for disc herniation: a prospective randomized controlled study.
Pain. 2006 May 1; 122 (1-2): 145-55.
Randomized Controlled Trial
The effect of early initiation of rehabilitation after lumbar spinal fusion: a randomized clinical study.
Spine. 2012 Oct 1;37(21):1803-9.
Randomized Controlled Trial
Early versus late initiation of rehabilitation after lumbar spinal fusion: economic evaluation alongside a randomized controlled trial.
Spine. 2013 Nov 1;38(23):1979-85.