1. Blume HG, Rojas CH (1981) Unilateral lumbar interbody fusion (posterior approach) utilizing dowel graft. J Neurol Orthop Surg 2:171–175
2. Harms J, Rolinger H (1982) Die operative Behandlung der Spondylolisthese durch dorsale Aufrichtung und ventrale Verblockung. Z Orthop Ihre Grenzgeb 120:342–347
3. Harms J, Jeszensky D, Stolze D (1997) True spondylolisthesis reduction and more segmental fusion. In: Bridwell KH, DeWald RL et al (eds) The textbook of spinal surgery, 2nd edn. Lippincott-Raven, Philadelphia, pp 1337–1347
4. Harms J, Jeszensky D (1998) The unilateral transforaminal approach for posterior lumbar interbody fusion. Orthop Traumatol 6:88–99
5. Humphreys SC, Hodges SD, Patwardhan AG et al (2001) Comparison of posterior and transforaminal approaches to lumbar interbody fusion. Spine 26:567–571