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Figure 2: Pain intensity measured by means of a visual numeric scale (VNS) before (VNS base) and 1 month (VNS 1st month), 6 months (VNS 6th month) and 12 months (VNS 12th month) in patients after undergoing transforaminal steroid injection (TFSI) or TFSI + caudal epidural steroid injection (TFSI+CESI) for lumbar radiculopathy |
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