[Somatosensory evoked potentials in patients with low back pain with special reference to intervertebral disc herniations].
D000328:Adult; D000368:Aged; D001416:Back Pain / Q000503:physiopathology*; D005073:Evoked Potentials, Somatosensory; D005260:Female; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D013130:Spinal Stenosis / Q000503:physiopathology; D013169:Spondylolysis / Q000503:physiopathology