1. Hodgson AR. Anterior surgical approaches to the spinal column. Baltimore, MD: Advances in orthopedics, Williams & Wilkens; 1974.
2. Mirbaha MM. Anterior approaches to the thoraco-lumbar junction of the spine by retroperitoneal extrapleural technic. Clin Orthop. 1971;91:12–8.
3. Bauer R, Kerschbaumer F, Poisel S. Orthopädische Operationslehre, vol. Band I. Stuttgart/Thieme, New York: Wirbelsäule; 1991.
4. Aebi M, Steffen T. Synframe: a preliminary report. Eur Spine J. 2000;9:44–50.
5. Zuckerman JF, Zdeblick TA, Bailey SA, et al. Instrumented laparoscopic spinal fusion. Preliminary results. Spine. 1995;20:2029–34.