Spine
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Randomized Controlled Trial Multicenter Study
Surgical versus nonoperative treatment for lumbar spinal stenosis four-year results of the Spine Patient Outcomes Research Trial.
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Randomized Controlled Trial Multicenter Study
Efficacy and safety of duloxetine in patients with chronic low back pain.
This was a randomized, double-blind, placebo-controlled clinical trial. ⋯ Duloxetine significantly reduced pain and improved functioning in patients with CLBP. The safety and tolerability were similar to those reported in earlier studies.