References
- Welling D B, Slater P W, Thomas R D, McGregor J M, Goodman J E. The learning curve in vestibular schwannoma surgery. Am J Otol 1999; 20(5)644–8
- Prolo D, et al. Toward uniformity in evaluating results of lumbar spine operations: A paradigm applied to posterior lumbar interbody fusions. Spine 1986; 11: 601–6
- Ekkehard W, et al. The failed back surgery syndrome. Spine 1996; 21: 626–63
- Klekamp J, Samii M. Surgery of spinal nerve sheath tumours with special reference to neurofibromatosis. Neurosurgery 1998; 42: 279–90
- White A A, Johnson R M, Panjabi M M, Southwick W O. Biomechanical analysis of clinical stability in the cervical spine. Clin Orthop Rel Res 1975; 109: 85–96
- Whitecloud T S, Werner J G. Anterior disc excision without fusion. The adult spine: principles and practice, 2nd edn. Lippincott-Raven Publishers. 1997; 1363–5
- Nygaard O P, Kloster R, Solberg T. Duration of leg pain as a predictor of outcome after surgery for lumbar disc herniation: a prospective cohort study with 1-year follow up. J Neurosurg 2000; 92(2 Suppl)131–4
- Barzo P, et al. J Neurosurg 1997; 87(6)900–7
- Oi S, et al. Pathophysiology of long-standing overt ventriculomegaly in adults. J Neurosurg 2000; 92: 933–40