Value of polyphasic potentials in diagnosis of lumbar root lesions.
D000200:Action Potentials; D004576:Electromyography; D004594:Electrophysiology; D006801:Humans; D008161:Lumbosacral Region; D009132:Muscles / Q000503:physiopathology*; D009192:Myelography; D013117:Spinal Cord Compression / Q000175:diagnosis* / Q000000981:diagnostic imaging; D013126:Spinal Nerve Roots / Q000503:physiopathology