Removal of protruded lumbar intervertebral discs.
D000775:Anesthesia, Spinal; D006801:Humans; D007405:Intervertebral Disc Displacement / Q000601:surgery*; D007796:Laminectomy; D008159:Lumbar Vertebrae; D008722:Methods; D009192:Myelography; D010146:Pain / Q000601:surgery; D013127:Spinal Nerves / Q000601:surgery