Failures of spinal fusion.
D000328:Adult; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007403:Intervertebral Disc / Q000601:surgery; D007405:Intervertebral Disc Displacement / Q000175:diagnosis; D008159:Lumbar Vertebrae / Q000601:surgery; D008297:Male; D011542:Pseudarthrosis / Q000150:complications / Q000175:diagnosis / Q000601:surgery*; D012585:Sciatica / Q000150:complications; D013123:Spinal Fusion