Predicting recovery after lumbar spinal stenosis surgery: A protocol for a historical cohort study using data from the Canadian Spine Outcomes Research Network (CSORN) oleh Erynne Rowe, Elizabeth Hassan, Lisa Carlesso, Janie Astephen Wilson, Douglas P. Gross, Charles Fisher, Hamilton Hall, Neil Manson, Ken Thomas, Greg McIntosh, Brian Drew, Raja Rampersaud, Luciana Macedo