8Munglani R.The longer term effect of pulsed radio-frequency for neuropathic pain.Pain,1999,80:437-439.
9Mizuno S,Takebayashi T,Kirita T,et al.The effects of the sympathetic nerves on lumbar radicular pain:a behavioural and immunohistochemical study.J Bone Joint Surg Br,2007,89 (12):1666-1672.
10Slappendel R,Crulb J,Braak G J,et al.The efficacy of radiofrequency lesioning of the cervical spinal dorsal root ganglion in a double blinded randomized study:no difference between 40 degrees C and 67 degrees C treatments.Pain,1997,73 (2):159-163.
