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Lumbar Vertebrae
Intervertebral Disk Displacement
Spinal Stenosis
Radiculopathy
Spinal Diseases
Low Back Pain
Sciatica
Spondylolisthesis
Disability Evaluation
Diskectomy
Laminectomy
Orthopedic Procedures
United States
Treatment Outcome
Cohort Studies
Pain Measurement
Randomized Controlled Trials
Medicare
Comorbidity
Questionnaires
Co-Publications
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