Delawi Diyar, Dhert Wouter J A, Oner F Cumhur
Department of Orthopaedics, University Medical Center Utrecht, P.O. Box 85500, G05.228, 3508 GA, Utrecht, The Netherlands.
Eur Spine J. 2008 Aug;17(8):1113-5. doi: 10.1007/s00586-008-0699-5. Epub 2008 Jun 13.