Spine
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Randomized Controlled Trial Multicenter Study Observational Study
Does opioid pain medication use affect the outcome of patients with lumbar disc herniation?
Subgroup analysis of prospective, randomized cohort. ⋯ 2.
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Randomized Controlled Trial Multicenter Study
Prospective, multicenter, randomized, controlled study of anular repair in lumbar discectomy: two-year follow-up.
Prospective, multicenter, single-blind, randomized, controlled clinical study. ⋯ 1.
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Randomized Controlled Trial Comparative Study
Cost-effectiveness and cost-benefit analyses of a multidisciplinary intervention compared with a brief intervention to facilitate return to work in sick-listed patients with low back pain.
Randomized clinical trial of 2 interventions in 351 employees sick listed due to low back pain (LBP) and a subsequent validation study (n = 120) to validate results from subgroup analyses in the original study. ⋯ 2.
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Randomized Controlled Trial
Effect of mental processing on low back load while lifting an object.
Biomechanical study using a 3D motion analysis system conducted in a laboratory setting. ⋯ 2.