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A anterior cervical B brachialgia C cervical radiculopathy cervical surgery cervical traction D dcra H herniated nucleus pulposus L lumbar microdiscectomy lumbar radiculopathy lumbosacral radiculopathy

N nucleus pulposus herniated nucleus pulposus P polyetheretherketone R radiculopathy cervical radiculopathy lumbar radiculopathy lumbosacral radiculopathy sacral radiculopathy S sciatica spinal osteophytoses spondylolyses